13313046820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 30131861760

約数和(自身を除く): 16818814940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 79, 86, 116, 145, 158, 172, 215, 233, 290, 316, 395, 430, 466, 580, 790, 841, 860, 932, 1165, 1247, 1580, 1682, 2291, 2330, 2494, 3364, 3397, 4205, 4582, 4660, 4988, 6235, 6757, 6794, 8410, 9164, 10019, 11455, 12470, 13514, 13588, 16820, 16985, 18407, 20038, 22910, 24940, 27028, 33785, 33970, 36163, 36814, 40076, 45820, 50095, 66439, 67570, 67940, 72326, 73628, 92035, 98513, 100190, 132878, 135140, 144652, 180815, 184070, 195953, 197026, 200380, 265756, 290551, 332195, 361630, 368140, 391906, 394052, 492565, 533803, 581102, 664390, 723260, 783812, 791501, 979765, 985130, 1067606, 1162204, 1328780, 1452755, 1583002, 1959530, 1970260, 2135212, 2669015, 2856877, 2905510, 3166004, 3919060, 3957505, 5338030, 5713754, 5811020, 7915010, 8425979, 10676060, 11427508, 14284385, 15480287, 15830020, 16851958, 22953529, 28568770, 30960574, 33703916, 42129895, 45907058, 57137540, 61921148, 77401435, 84259790, 91814116, 114767645, 154802870, 168519580, 229535290, 309605740, 459070580, 665652341, 1331304682, 2662609364, 3328261705, 6656523410, 13313046820]

約数ペア:

[(1, 13313046820), (2, 6656523410), (4, 3328261705), (5, 2662609364), (10, 1331304682), (20, 665652341), (29, 459070580), (43, 309605740), (58, 229535290), (79, 168519580), (86, 154802870), (116, 114767645), (145, 91814116), (158, 84259790), (172, 77401435), (215, 61921148), (233, 57137540), (290, 45907058), (316, 42129895), (395, 33703916), (430, 30960574), (466, 28568770), (580, 22953529), (790, 16851958), (841, 15830020), (860, 15480287), (932, 14284385), (1165, 11427508), (1247, 10676060), (1580, 8425979), (1682, 7915010), (2291, 5811020), (2330, 5713754), (2494, 5338030), (3364, 3957505), (3397, 3919060), (4205, 3166004), (4582, 2905510), (4660, 2856877), (4988, 2669015), (6235, 2135212), (6757, 1970260), (6794, 1959530), (8410, 1583002), (9164, 1452755), (10019, 1328780), (11455, 1162204), (12470, 1067606), (13514, 985130), (13588, 979765), (16820, 791501), (16985, 783812), (18407, 723260), (20038, 664390), (22910, 581102), (24940, 533803), (27028, 492565), (33785, 394052), (33970, 391906), (36163, 368140), (36814, 361630), (40076, 332195), (45820, 290551), (50095, 265756), (66439, 200380), (67570, 197026), (67940, 195953), (72326, 184070), (73628, 180815), (92035, 144652), (98513, 135140), (100190, 132878)]