80028580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{50651}}^1$

素因数の和:50739

約数の個数: 24

約数和(自身を含む): 170190720

約数和(自身を除く): 90162140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 50651, 101302, 202604, 253255, 506510, 1013020, 4001429, 8002858, 16005716, 20007145, 40014290, 80028580]

約数ペア:

[(1, 80028580), (2, 40014290), (4, 20007145), (5, 16005716), (10, 8002858), (20, 4001429), (79, 1013020), (158, 506510), (316, 253255), (395, 202604), (790, 101302), (1580, 50651)]