31971880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7333}}^1$

素因数の和:7453

約数の個数: 32

約数和(自身を含む): 72606600

約数和(自身を除く): 40634720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 7333, 14666, 29332, 36665, 58664, 73330, 146660, 293320, 799297, 1598594, 3197188, 3996485, 6394376, 7992970, 15985940, 31971880]

約数ペア:

[(1, 31971880), (2, 15985940), (4, 7992970), (5, 6394376), (8, 3996485), (10, 3197188), (20, 1598594), (40, 799297), (109, 293320), (218, 146660), (436, 73330), (545, 58664), (872, 36665), (1090, 29332), (2180, 14666), (4360, 7333)]