12988580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 30469824

約数和(自身を除く): 17481244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1373, 1892, 2365, 2746, 4730, 5492, 6865, 9460, 13730, 15103, 27460, 30206, 59039, 60412, 75515, 118078, 151030, 236156, 295195, 302060, 590390, 649429, 1180780, 1298858, 2597716, 3247145, 6494290, 12988580]

約数ペア:

[(1, 12988580), (2, 6494290), (4, 3247145), (5, 2597716), (10, 1298858), (11, 1180780), (20, 649429), (22, 590390), (43, 302060), (44, 295195), (55, 236156), (86, 151030), (110, 118078), (172, 75515), (215, 60412), (220, 59039), (430, 30206), (473, 27460), (860, 15103), (946, 13730), (1373, 9460), (1892, 6865), (2365, 5492), (2746, 4730)]