51362480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 134790480

約数和(自身を除く): 83428000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 131, 145, 169, 208, 232, 260, 262, 290, 338, 377, 464, 520, 524, 580, 655, 676, 754, 845, 1040, 1048, 1160, 1310, 1352, 1508, 1690, 1703, 1885, 2096, 2320, 2620, 2704, 3016, 3380, 3406, 3770, 3799, 4901, 5240, 6032, 6760, 6812, 7540, 7598, 8515, 9802, 10480, 13520, 13624, 15080, 15196, 17030, 18995, 19604, 22139, 24505, 27248, 30160, 30392, 34060, 37990, 39208, 44278, 49010, 49387, 60784, 68120, 75980, 78416, 88556, 98020, 98774, 110695, 136240, 151960, 177112, 196040, 197548, 221390, 246935, 303920, 354224, 392080, 395096, 442780, 493870, 642031, 790192, 885560, 987740, 1284062, 1771120, 1975480, 2568124, 3210155, 3950960, 5136248, 6420310, 10272496, 12840620, 25681240, 51362480]

約数ペア:

[(1, 51362480), (2, 25681240), (4, 12840620), (5, 10272496), (8, 6420310), (10, 5136248), (13, 3950960), (16, 3210155), (20, 2568124), (26, 1975480), (29, 1771120), (40, 1284062), (52, 987740), (58, 885560), (65, 790192), (80, 642031), (104, 493870), (116, 442780), (130, 395096), (131, 392080), (145, 354224), (169, 303920), (208, 246935), (232, 221390), (260, 197548), (262, 196040), (290, 177112), (338, 151960), (377, 136240), (464, 110695), (520, 98774), (524, 98020), (580, 88556), (655, 78416), (676, 75980), (754, 68120), (845, 60784), (1040, 49387), (1048, 49010), (1160, 44278), (1310, 39208), (1352, 37990), (1508, 34060), (1690, 30392), (1703, 30160), (1885, 27248), (2096, 24505), (2320, 22139), (2620, 19604), (2704, 18995), (3016, 17030), (3380, 15196), (3406, 15080), (3770, 13624), (3799, 13520), (4901, 10480), (5240, 9802), (6032, 8515), (6760, 7598), (6812, 7540)]