31321340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{13859}}^1$

素因数の和:13981

約数の個数: 24

約数和(自身を含む): 66361680

約数和(自身を除く): 35040340

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 13859, 27718, 55436, 69295, 138590, 277180, 1566067, 3132134, 6264268, 7830335, 15660670, 31321340]

約数ペア:

[(1, 31321340), (2, 15660670), (4, 7830335), (5, 6264268), (10, 3132134), (20, 1566067), (113, 277180), (226, 138590), (452, 69295), (565, 55436), (1130, 27718), (2260, 13859)]