56807920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54623}}^1$

素因数の和:54649

約数の個数: 40

約数和(自身を含む): 142240896

約数和(自身を除く): 85432976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 54623, 109246, 218492, 273115, 436984, 546230, 710099, 873968, 1092460, 1420198, 2184920, 2840396, 3550495, 4369840, 5680792, 7100990, 11361584, 14201980, 28403960, 56807920]

約数ペア:

[(1, 56807920), (2, 28403960), (4, 14201980), (5, 11361584), (8, 7100990), (10, 5680792), (13, 4369840), (16, 3550495), (20, 2840396), (26, 2184920), (40, 1420198), (52, 1092460), (65, 873968), (80, 710099), (104, 546230), (130, 436984), (208, 273115), (260, 218492), (520, 109246), (1040, 54623)]