37997780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26759}}^1$

素因数の和:26839

約数の個数: 24

約数和(自身を含む): 80922240

約数和(自身を除く): 42924460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 26759, 53518, 107036, 133795, 267590, 535180, 1899889, 3799778, 7599556, 9499445, 18998890, 37997780]

約数ペア:

[(1, 37997780), (2, 18998890), (4, 9499445), (5, 7599556), (10, 3799778), (20, 1899889), (71, 535180), (142, 267590), (284, 133795), (355, 107036), (710, 53518), (1420, 26759)]