28411240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4967}}^1$

素因数の和:5002

約数の個数: 64

約数和(自身を含む): 75116160

約数和(自身を除く): 46704920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 4967, 5720, 9934, 19868, 24835, 39736, 49670, 54637, 64571, 99340, 109274, 129142, 198680, 218548, 258284, 273185, 322855, 437096, 516568, 546370, 645710, 710281, 1092740, 1291420, 1420562, 2185480, 2582840, 2841124, 3551405, 5682248, 7102810, 14205620, 28411240]

約数ペア:

[(1, 28411240), (2, 14205620), (4, 7102810), (5, 5682248), (8, 3551405), (10, 2841124), (11, 2582840), (13, 2185480), (20, 1420562), (22, 1291420), (26, 1092740), (40, 710281), (44, 645710), (52, 546370), (55, 516568), (65, 437096), (88, 322855), (104, 273185), (110, 258284), (130, 218548), (143, 198680), (220, 129142), (260, 109274), (286, 99340), (440, 64571), (520, 54637), (572, 49670), (715, 39736), (1144, 24835), (1430, 19868), (2860, 9934), (4967, 5720)]