31927940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1409}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 73906560

約数和(自身を除く): 41978620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 1409, 2060, 2266, 2818, 4532, 5636, 5665, 7045, 11330, 14090, 15499, 22660, 28180, 30998, 61996, 77495, 145127, 154990, 290254, 309980, 580508, 725635, 1451270, 1596397, 2902540, 3192794, 6385588, 7981985, 15963970, 31927940]

約数ペア:

[(1, 31927940), (2, 15963970), (4, 7981985), (5, 6385588), (10, 3192794), (11, 2902540), (20, 1596397), (22, 1451270), (44, 725635), (55, 580508), (103, 309980), (110, 290254), (206, 154990), (220, 145127), (412, 77495), (515, 61996), (1030, 30998), (1133, 28180), (1409, 22660), (2060, 15499), (2266, 14090), (2818, 11330), (4532, 7045), (5636, 5665)]