87177640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{829}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 215136000

約数和(自身を除く): 127958360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 829, 956, 1195, 1658, 1912, 2390, 2629, 3316, 4145, 4780, 5258, 6632, 8290, 9119, 9560, 10516, 13145, 16580, 18238, 21032, 26290, 33160, 36476, 45595, 52580, 72952, 91190, 105160, 182380, 198131, 364760, 396262, 792524, 990655, 1585048, 1981310, 2179441, 3962620, 4358882, 7925240, 8717764, 10897205, 17435528, 21794410, 43588820, 87177640]

約数ペア:

[(1, 87177640), (2, 43588820), (4, 21794410), (5, 17435528), (8, 10897205), (10, 8717764), (11, 7925240), (20, 4358882), (22, 3962620), (40, 2179441), (44, 1981310), (55, 1585048), (88, 990655), (110, 792524), (220, 396262), (239, 364760), (440, 198131), (478, 182380), (829, 105160), (956, 91190), (1195, 72952), (1658, 52580), (1912, 45595), (2390, 36476), (2629, 33160), (3316, 26290), (4145, 21032), (4780, 18238), (5258, 16580), (6632, 13145), (8290, 10516), (9119, 9560)]