31547960

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2081}}^1$

素因数の和:2471

約数の個数: 32

約数和(自身を含む): 71204400

約数和(自身を除く): 39656440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 2081, 3032, 3790, 4162, 7580, 8324, 10405, 15160, 16648, 20810, 41620, 83240, 788699, 1577398, 3154796, 3943495, 6309592, 7886990, 15773980, 31547960]

約数ペア:

[(1, 31547960), (2, 15773980), (4, 7886990), (5, 6309592), (8, 3943495), (10, 3154796), (20, 1577398), (40, 788699), (379, 83240), (758, 41620), (1516, 20810), (1895, 16648), (2081, 15160), (3032, 10405), (3790, 8324), (4162, 7580)]