30582280

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3881}}^1$

素因数の和:4089

約数の個数: 32

約数和(自身を含む): 69177240

約数和(自身を除く): 38594960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3881, 3940, 7762, 7880, 15524, 19405, 31048, 38810, 77620, 155240, 764557, 1529114, 3058228, 3822785, 6116456, 7645570, 15291140, 30582280]

約数ペア:

[(1, 30582280), (2, 15291140), (4, 7645570), (5, 6116456), (8, 3822785), (10, 3058228), (20, 1529114), (40, 764557), (197, 155240), (394, 77620), (788, 38810), (985, 31048), (1576, 19405), (1970, 15524), (3881, 7880), (3940, 7762)]