1641380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 3810240

約数和(自身を除く): 2168860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 107, 118, 130, 214, 236, 260, 295, 428, 535, 590, 767, 1070, 1180, 1391, 1534, 2140, 2782, 3068, 3835, 5564, 6313, 6955, 7670, 12626, 13910, 15340, 25252, 27820, 31565, 63130, 82069, 126260, 164138, 328276, 410345, 820690, 1641380]

約数ペア:

[(1, 1641380), (2, 820690), (4, 410345), (5, 328276), (10, 164138), (13, 126260), (20, 82069), (26, 63130), (52, 31565), (59, 27820), (65, 25252), (107, 15340), (118, 13910), (130, 12626), (214, 7670), (236, 6955), (260, 6313), (295, 5564), (428, 3835), (535, 3068), (590, 2782), (767, 2140), (1070, 1534), (1180, 1391)]