77896540

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2017}}^1$

素因数の和:3957

約数の個数: 24

約数和(自身を含む): 163748592

約数和(自身を除く): 85852052

約数列:

[1, 2, 4, 5, 10, 20, 1931, 2017, 3862, 4034, 7724, 8068, 9655, 10085, 19310, 20170, 38620, 40340, 3894827, 7789654, 15579308, 19474135, 38948270, 77896540]

約数ペア:

[(1, 77896540), (2, 38948270), (4, 19474135), (5, 15579308), (10, 7789654), (20, 3894827), (1931, 40340), (2017, 38620), (3862, 20170), (4034, 19310), (7724, 10085), (8068, 9655)]