86977960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:910

約数の個数: 64

約数和(自身を含む): 204800400

約数和(自身を除く): 117822440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 232, 290, 388, 485, 580, 773, 776, 970, 1160, 1546, 1940, 2813, 3092, 3865, 3880, 5626, 6184, 7730, 11252, 14065, 15460, 22417, 22504, 28130, 30920, 44834, 56260, 74981, 89668, 112085, 112520, 149962, 179336, 224170, 299924, 374905, 448340, 599848, 749810, 896680, 1499620, 2174449, 2999240, 4348898, 8697796, 10872245, 17395592, 21744490, 43488980, 86977960]

約数ペア:

[(1, 86977960), (2, 43488980), (4, 21744490), (5, 17395592), (8, 10872245), (10, 8697796), (20, 4348898), (29, 2999240), (40, 2174449), (58, 1499620), (97, 896680), (116, 749810), (145, 599848), (194, 448340), (232, 374905), (290, 299924), (388, 224170), (485, 179336), (580, 149962), (773, 112520), (776, 112085), (970, 89668), (1160, 74981), (1546, 56260), (1940, 44834), (2813, 30920), (3092, 28130), (3865, 22504), (3880, 22417), (5626, 15460), (6184, 14065), (7730, 11252)]