16009640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12911}}^1$

素因数の和:12953

約数の個数: 32

約数和(自身を含む): 37186560

約数和(自身を除く): 21176920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12911, 25822, 51644, 64555, 103288, 129110, 258220, 400241, 516440, 800482, 1600964, 2001205, 3201928, 4002410, 8004820, 16009640]

約数ペア:

[(1, 16009640), (2, 8004820), (4, 4002410), (5, 3201928), (8, 2001205), (10, 1600964), (20, 800482), (31, 516440), (40, 400241), (62, 258220), (124, 129110), (155, 103288), (248, 64555), (310, 51644), (620, 25822), (1240, 12911)]