80640230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8237}}^1$

素因数の和:8344

約数の個数: 32

約数和(自身を含む): 160146720

約数和(自身を除く): 79506490

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 8237, 9790, 16474, 41185, 82370, 90607, 181214, 453035, 733093, 906070, 1466186, 3665465, 7330930, 8064023, 16128046, 40320115, 80640230]

約数ペア:

[(1, 80640230), (2, 40320115), (5, 16128046), (10, 8064023), (11, 7330930), (22, 3665465), (55, 1466186), (89, 906070), (110, 733093), (178, 453035), (445, 181214), (890, 90607), (979, 82370), (1958, 41185), (4895, 16474), (8237, 9790)]