80444560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143651}}^1$

素因数の和:143671

約数の個数: 40

約数和(自身を含む): 213754176

約数和(自身を除く): 133309616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143651, 287302, 574604, 718255, 1005557, 1149208, 1436510, 2011114, 2298416, 2873020, 4022228, 5027785, 5746040, 8044456, 10055570, 11492080, 16088912, 20111140, 40222280, 80444560]

約数ペア:

[(1, 80444560), (2, 40222280), (4, 20111140), (5, 16088912), (7, 11492080), (8, 10055570), (10, 8044456), (14, 5746040), (16, 5027785), (20, 4022228), (28, 2873020), (35, 2298416), (40, 2011114), (56, 1436510), (70, 1149208), (80, 1005557), (112, 718255), (140, 574604), (280, 287302), (560, 143651)]