850778840

素因数分解:

$2^3\times 5^1\times {\mathrm{21269471}}^1$

素因数の和:21269482

約数の個数: 16

約数和(自身を含む): 1914252480

約数和(自身を除く): 1063473640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21269471, 42538942, 85077884, 106347355, 170155768, 212694710, 425389420, 850778840]

約数ペア:

[(1, 850778840), (2, 425389420), (4, 212694710), (5, 170155768), (8, 106347355), (10, 85077884), (20, 42538942), (40, 21269471)]