90051560

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{6271}}^1$

素因数の和:6641

約数の個数: 32

約数和(自身を含む): 203212800

約数和(自身を除く): 113161240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 6271, 7180, 12542, 14360, 25084, 31355, 50168, 62710, 125420, 250840, 2251289, 4502578, 9005156, 11256445, 18010312, 22512890, 45025780, 90051560]

約数ペア:

[(1, 90051560), (2, 45025780), (4, 22512890), (5, 18010312), (8, 11256445), (10, 9005156), (20, 4502578), (40, 2251289), (359, 250840), (718, 125420), (1436, 62710), (1795, 50168), (2872, 31355), (3590, 25084), (6271, 14360), (7180, 12542)]