31707940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1427}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 73410624

約数和(自身を除く): 41702684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 1427, 2020, 2222, 2854, 4444, 5555, 5708, 7135, 11110, 14270, 15697, 22220, 28540, 31394, 62788, 78485, 144127, 156970, 288254, 313940, 576508, 720635, 1441270, 1585397, 2882540, 3170794, 6341588, 7926985, 15853970, 31707940]

約数ペア:

[(1, 31707940), (2, 15853970), (4, 7926985), (5, 6341588), (10, 3170794), (11, 2882540), (20, 1585397), (22, 1441270), (44, 720635), (55, 576508), (101, 313940), (110, 288254), (202, 156970), (220, 144127), (404, 78485), (505, 62788), (1010, 31394), (1111, 28540), (1427, 22220), (2020, 15697), (2222, 14270), (2854, 11110), (4444, 7135), (5555, 5708)]