2013453920

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{90533}}^1$

素因数の和:90687

約数の個数: 48

約数和(自身を含む): 4791059280

約数和(自身を除く): 2777605360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 11120, 22240, 90533, 181066, 362132, 452665, 724264, 905330, 1448528, 1810660, 2897056, 3621320, 7242640, 12584087, 14485280, 25168174, 50336348, 62920435, 100672696, 125840870, 201345392, 251681740, 402690784, 503363480, 1006726960, 2013453920]

約数ペア:

[(1, 2013453920), (2, 1006726960), (4, 503363480), (5, 402690784), (8, 251681740), (10, 201345392), (16, 125840870), (20, 100672696), (32, 62920435), (40, 50336348), (80, 25168174), (139, 14485280), (160, 12584087), (278, 7242640), (556, 3621320), (695, 2897056), (1112, 1810660), (1390, 1448528), (2224, 905330), (2780, 724264), (4448, 452665), (5560, 362132), (11120, 181066), (22240, 90533)]