13540840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19913}}^1$

素因数の和:19941

約数の個数: 32

約数和(自身を含む): 32260680

約数和(自身を除く): 18719840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19913, 39826, 79652, 99565, 159304, 199130, 338521, 398260, 677042, 796520, 1354084, 1692605, 2708168, 3385210, 6770420, 13540840]

約数ペア:

[(1, 13540840), (2, 6770420), (4, 3385210), (5, 2708168), (8, 1692605), (10, 1354084), (17, 796520), (20, 677042), (34, 398260), (40, 338521), (68, 199130), (85, 159304), (136, 99565), (170, 79652), (340, 39826), (680, 19913)]