31915968040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72536291}}^1$

素因数の和:72536313

約数の個数: 32

約数和(自身を含む): 78339195360

約数和(自身を除く): 46423227320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 72536291, 145072582, 290145164, 362681455, 580290328, 725362910, 797899201, 1450725820, 1595798402, 2901451640, 3191596804, 3989496005, 6383193608, 7978992010, 15957984020, 31915968040]

約数ペア:

[(1, 31915968040), (2, 15957984020), (4, 7978992010), (5, 6383193608), (8, 3989496005), (10, 3191596804), (11, 2901451640), (20, 1595798402), (22, 1450725820), (40, 797899201), (44, 725362910), (55, 580290328), (88, 362681455), (110, 290145164), (220, 145072582), (440, 72536291)]