71732140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{911}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 156893184

約数和(自身を除く): 85161044

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 911, 1270, 1822, 2540, 3644, 3937, 4555, 7874, 9110, 15748, 18220, 19685, 28241, 39370, 56482, 78740, 112964, 115697, 141205, 231394, 282410, 462788, 564820, 578485, 1156970, 2313940, 3586607, 7173214, 14346428, 17933035, 35866070, 71732140]

約数ペア:

[(1, 71732140), (2, 35866070), (4, 17933035), (5, 14346428), (10, 7173214), (20, 3586607), (31, 2313940), (62, 1156970), (124, 578485), (127, 564820), (155, 462788), (254, 282410), (310, 231394), (508, 141205), (620, 115697), (635, 112964), (911, 78740), (1270, 56482), (1822, 39370), (2540, 28241), (3644, 19685), (3937, 18220), (4555, 15748), (7874, 9110)]