39975940

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6427}}^1$

素因数の和:6747

約数の個数: 24

約数和(自身を含む): 84232512

約数和(自身を除く): 44256572

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 6427, 12854, 25708, 32135, 64270, 128540, 1998797, 3997594, 7995188, 9993985, 19987970, 39975940]

約数ペア:

[(1, 39975940), (2, 19987970), (4, 9993985), (5, 7995188), (10, 3997594), (20, 1998797), (311, 128540), (622, 64270), (1244, 32135), (1555, 25708), (3110, 12854), (6220, 6427)]