55592720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1068

約数の個数: 80

約数和(自身を含む): 140334768

約数和(自身を除く): 84742048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 997, 1360, 1394, 1640, 1994, 2788, 3280, 3485, 3988, 4985, 5576, 6970, 7976, 9970, 11152, 13940, 15952, 16949, 19940, 27880, 33898, 39880, 40877, 55760, 67796, 79760, 81754, 84745, 135592, 163508, 169490, 204385, 271184, 327016, 338980, 408770, 654032, 677960, 694909, 817540, 1355920, 1389818, 1635080, 2779636, 3270160, 3474545, 5559272, 6949090, 11118544, 13898180, 27796360, 55592720]

約数ペア:

[(1, 55592720), (2, 27796360), (4, 13898180), (5, 11118544), (8, 6949090), (10, 5559272), (16, 3474545), (17, 3270160), (20, 2779636), (34, 1635080), (40, 1389818), (41, 1355920), (68, 817540), (80, 694909), (82, 677960), (85, 654032), (136, 408770), (164, 338980), (170, 327016), (205, 271184), (272, 204385), (328, 169490), (340, 163508), (410, 135592), (656, 84745), (680, 81754), (697, 79760), (820, 67796), (997, 55760), (1360, 40877), (1394, 39880), (1640, 33898), (1994, 27880), (2788, 19940), (3280, 16949), (3485, 15952), (3988, 13940), (4985, 11152), (5576, 9970), (6970, 7976)]