31039840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14923}}^1$

素因数の和:14951

約数の個数: 48

約数和(自身を含む): 78977808

約数和(自身を除く): 47937968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 14923, 29846, 59692, 74615, 119384, 149230, 193999, 238768, 298460, 387998, 477536, 596920, 775996, 969995, 1193840, 1551992, 1939990, 2387680, 3103984, 3879980, 6207968, 7759960, 15519920, 31039840]

約数ペア:

[(1, 31039840), (2, 15519920), (4, 7759960), (5, 6207968), (8, 3879980), (10, 3103984), (13, 2387680), (16, 1939990), (20, 1551992), (26, 1193840), (32, 969995), (40, 775996), (52, 596920), (65, 477536), (80, 387998), (104, 298460), (130, 238768), (160, 193999), (208, 149230), (260, 119384), (416, 74615), (520, 59692), (1040, 29846), (2080, 14923)]