68662120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{10531}}^1$

素因数の和:10705

約数の個数: 32

約数和(自身を含む): 155452320

約数和(自身を除く): 86790200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 10531, 21062, 42124, 52655, 84248, 105310, 210620, 421240, 1716553, 3433106, 6866212, 8582765, 13732424, 17165530, 34331060, 68662120]

約数ペア:

[(1, 68662120), (2, 34331060), (4, 17165530), (5, 13732424), (8, 8582765), (10, 6866212), (20, 3433106), (40, 1716553), (163, 421240), (326, 210620), (652, 105310), (815, 84248), (1304, 52655), (1630, 42124), (3260, 21062), (6520, 10531)]