1129640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 2626560

約数和(自身を除く): 1496920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 911, 1240, 1822, 3644, 4555, 7288, 9110, 18220, 28241, 36440, 56482, 112964, 141205, 225928, 282410, 564820, 1129640]

約数ペア:

[(1, 1129640), (2, 564820), (4, 282410), (5, 225928), (8, 141205), (10, 112964), (20, 56482), (31, 36440), (40, 28241), (62, 18220), (124, 9110), (155, 7288), (248, 4555), (310, 3644), (620, 1822), (911, 1240)]