12702921520

素因数分解:

$2^4\times 5^1\times {\mathrm{158786519}}^1$

素因数の和:158786532

約数の個数: 20

約数和(自身を含む): 29534292720

約数和(自身を除く): 16831371200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158786519, 317573038, 635146076, 793932595, 1270292152, 1587865190, 2540584304, 3175730380, 6351460760, 12702921520]

約数ペア:

[(1, 12702921520), (2, 6351460760), (4, 3175730380), (5, 2540584304), (8, 1587865190), (10, 1270292152), (16, 793932595), (20, 635146076), (40, 317573038), (80, 158786519)]