87209960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75181}}^1$

素因数の和:75221

約数の個数: 32

約数和(自身を含む): 202991400

約数和(自身を除く): 115781440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 75181, 150362, 300724, 375905, 601448, 751810, 1503620, 2180249, 3007240, 4360498, 8720996, 10901245, 17441992, 21802490, 43604980, 87209960]

約数ペア:

[(1, 87209960), (2, 43604980), (4, 21802490), (5, 17441992), (8, 10901245), (10, 8720996), (20, 4360498), (29, 3007240), (40, 2180249), (58, 1503620), (116, 751810), (145, 601448), (232, 375905), (290, 300724), (580, 150362), (1160, 75181)]