556331320

素因数分解:

$2^3\times 5^1\times {\mathrm{13908283}}^1$

素因数の和:13908294

約数の個数: 16

約数和(自身を含む): 1251745560

約数和(自身を除く): 695414240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13908283, 27816566, 55633132, 69541415, 111266264, 139082830, 278165660, 556331320]

約数ペア:

[(1, 556331320), (2, 278165660), (4, 139082830), (5, 111266264), (8, 69541415), (10, 55633132), (20, 27816566), (40, 13908283)]