31574740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 69156864

約数和(自身を除く): 37582124

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 401, 508, 620, 635, 802, 1270, 1604, 2005, 2540, 3937, 4010, 7874, 8020, 12431, 15748, 19685, 24862, 39370, 49724, 50927, 62155, 78740, 101854, 124310, 203708, 248620, 254635, 509270, 1018540, 1578737, 3157474, 6314948, 7893685, 15787370, 31574740]

約数ペア:

[(1, 31574740), (2, 15787370), (4, 7893685), (5, 6314948), (10, 3157474), (20, 1578737), (31, 1018540), (62, 509270), (124, 254635), (127, 248620), (155, 203708), (254, 124310), (310, 101854), (401, 78740), (508, 62155), (620, 50927), (635, 49724), (802, 39370), (1270, 24862), (1604, 19685), (2005, 15748), (2540, 12431), (3937, 8020), (4010, 7874)]