56720080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22871}}^1$

素因数の和:22915

約数の個数: 40

約数和(自身を含む): 136134144

約数和(自身を除く): 79414064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 22871, 45742, 91484, 114355, 182968, 228710, 365936, 457420, 709001, 914840, 1418002, 1829680, 2836004, 3545005, 5672008, 7090010, 11344016, 14180020, 28360040, 56720080]

約数ペア:

[(1, 56720080), (2, 28360040), (4, 14180020), (5, 11344016), (8, 7090010), (10, 5672008), (16, 3545005), (20, 2836004), (31, 1829680), (40, 1418002), (62, 914840), (80, 709001), (124, 457420), (155, 365936), (248, 228710), (310, 182968), (496, 114355), (620, 91484), (1240, 45742), (2480, 22871)]