77330020

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{8971}}^1$

素因数の和:9411

約数の個数: 24

約数和(自身を含む): 162787968

約数和(自身を除く): 85457948

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 8971, 17942, 35884, 44855, 89710, 179420, 3866501, 7733002, 15466004, 19332505, 38665010, 77330020]

約数ペア:

[(1, 77330020), (2, 38665010), (4, 19332505), (5, 15466004), (10, 7733002), (20, 3866501), (431, 179420), (862, 89710), (1724, 44855), (2155, 35884), (4310, 17942), (8620, 8971)]