55555760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53419}}^1$

素因数の和:53445

約数の個数: 40

約数和(自身を含む): 139105680

約数和(自身を除く): 83549920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 53419, 106838, 213676, 267095, 427352, 534190, 694447, 854704, 1068380, 1388894, 2136760, 2777788, 3472235, 4273520, 5555576, 6944470, 11111152, 13888940, 27777880, 55555760]

約数ペア:

[(1, 55555760), (2, 27777880), (4, 13888940), (5, 11111152), (8, 6944470), (10, 5555576), (13, 4273520), (16, 3472235), (20, 2777788), (26, 2136760), (40, 1388894), (52, 1068380), (65, 854704), (80, 694447), (104, 534190), (130, 427352), (208, 267095), (260, 213676), (520, 106838), (1040, 53419)]