56146480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53987}}^1$

素因数の和:54013

約数の個数: 40

約数和(自身を含む): 140584752

約数和(自身を除く): 84438272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 53987, 107974, 215948, 269935, 431896, 539870, 701831, 863792, 1079740, 1403662, 2159480, 2807324, 3509155, 4318960, 5614648, 7018310, 11229296, 14036620, 28073240, 56146480]

約数ペア:

[(1, 56146480), (2, 28073240), (4, 14036620), (5, 11229296), (8, 7018310), (10, 5614648), (13, 4318960), (16, 3509155), (20, 2807324), (26, 2159480), (40, 1403662), (52, 1079740), (65, 863792), (80, 701831), (104, 539870), (130, 431896), (208, 269935), (260, 215948), (520, 107974), (1040, 53987)]