16077680

素因数分解:

$2^4\times 5^1\times {\mathrm{200971}}^1$

素因数の和:200984

約数の個数: 20

約数和(自身を含む): 37380792

約数和(自身を除く): 21303112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 200971, 401942, 803884, 1004855, 1607768, 2009710, 3215536, 4019420, 8038840, 16077680]

約数ペア:

[(1, 16077680), (2, 8038840), (4, 4019420), (5, 3215536), (8, 2009710), (10, 1607768), (16, 1004855), (20, 803884), (40, 401942), (80, 200971)]