90138050

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{25391}}^1$

素因数の和:25474

約数の個数: 24

約数和(自身を含む): 170024832

約数和(自身を除く): 79886782

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 25391, 50782, 126955, 253910, 634775, 1269550, 1802761, 3605522, 9013805, 18027610, 45069025, 90138050]

約数ペア:

[(1, 90138050), (2, 45069025), (5, 18027610), (10, 9013805), (25, 3605522), (50, 1802761), (71, 1269550), (142, 634775), (355, 253910), (710, 126955), (1775, 50782), (3550, 25391)]