40355540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12379}}^1$

素因数の和:12551

約数の個数: 24

約数和(自身を含む): 85273440

約数和(自身を除く): 44917900

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 12379, 24758, 49516, 61895, 123790, 247580, 2017777, 4035554, 8071108, 10088885, 20177770, 40355540]

約数ペア:

[(1, 40355540), (2, 20177770), (4, 10088885), (5, 8071108), (10, 4035554), (20, 2017777), (163, 247580), (326, 123790), (652, 61895), (815, 49516), (1630, 24758), (3260, 12379)]