90012220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3541}}^1$

素因数の和:3622

約数の個数: 48

約数和(自身を含む): 199938816

約数和(自身を除く): 109926596

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 3541, 5084, 6355, 7082, 12710, 14164, 17705, 25420, 35410, 70820, 109771, 145181, 219542, 290362, 439084, 548855, 580724, 725905, 1097710, 1451810, 2195420, 2903620, 4500611, 9001222, 18002444, 22503055, 45006110, 90012220]

約数ペア:

[(1, 90012220), (2, 45006110), (4, 22503055), (5, 18002444), (10, 9001222), (20, 4500611), (31, 2903620), (41, 2195420), (62, 1451810), (82, 1097710), (124, 725905), (155, 580724), (164, 548855), (205, 439084), (310, 290362), (410, 219542), (620, 145181), (820, 109771), (1271, 70820), (2542, 35410), (3541, 25420), (5084, 17705), (6355, 14164), (7082, 12710)]