81396400

素因数分解:

$2^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{3449}}^1$

素因数の和:3526

約数の個数: 60

約数和(自身を含む): 198927000

約数和(自身を除く): 117530600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 200, 236, 295, 400, 472, 590, 944, 1180, 1475, 2360, 2950, 3449, 4720, 5900, 6898, 11800, 13796, 17245, 23600, 27592, 34490, 55184, 68980, 86225, 137960, 172450, 203491, 275920, 344900, 406982, 689800, 813964, 1017455, 1379600, 1627928, 2034910, 3255856, 4069820, 5087275, 8139640, 10174550, 16279280, 20349100, 40698200, 81396400]

約数ペア:

[(1, 81396400), (2, 40698200), (4, 20349100), (5, 16279280), (8, 10174550), (10, 8139640), (16, 5087275), (20, 4069820), (25, 3255856), (40, 2034910), (50, 1627928), (59, 1379600), (80, 1017455), (100, 813964), (118, 689800), (200, 406982), (236, 344900), (295, 275920), (400, 203491), (472, 172450), (590, 137960), (944, 86225), (1180, 68980), (1475, 55184), (2360, 34490), (2950, 27592), (3449, 23600), (4720, 17245), (5900, 13796), (6898, 11800)]