626824540

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{17117}}^1$

素因数の和:18957

約数の個数: 24

約数和(自身を含む): 1317127392

約数和(自身を除く): 690302852

約数列:

[1, 2, 4, 5, 10, 20, 1831, 3662, 7324, 9155, 17117, 18310, 34234, 36620, 68468, 85585, 171170, 342340, 31341227, 62682454, 125364908, 156706135, 313412270, 626824540]

約数ペア:

[(1, 626824540), (2, 313412270), (4, 156706135), (5, 125364908), (10, 62682454), (20, 31341227), (1831, 342340), (3662, 171170), (7324, 85585), (9155, 68468), (17117, 36620), (18310, 34234)]