81307510

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3251}}^1$

素因数の和:3360

約数の個数: 32

約数和(自身を含む): 152427744

約数和(自身を除く): 71120234

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 205, 305, 410, 610, 2501, 3251, 5002, 6502, 12505, 16255, 25010, 32510, 133291, 198311, 266582, 396622, 666455, 991555, 1332910, 1983110, 8130751, 16261502, 40653755, 81307510]

約数ペア:

[(1, 81307510), (2, 40653755), (5, 16261502), (10, 8130751), (41, 1983110), (61, 1332910), (82, 991555), (122, 666455), (205, 396622), (305, 266582), (410, 198311), (610, 133291), (2501, 32510), (3251, 25010), (5002, 16255), (6502, 12505)]