20053770040

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{678409}}^1$

素因数の和:679159

約数の個数: 32

約数和(自身を含む): 45182106000

約数和(自身を除く): 25128335960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7390, 14780, 29560, 678409, 1356818, 2713636, 3392045, 5427272, 6784090, 13568180, 27136360, 501344251, 1002688502, 2005377004, 2506721255, 4010754008, 5013442510, 10026885020, 20053770040]

約数ペア:

[(1, 20053770040), (2, 10026885020), (4, 5013442510), (5, 4010754008), (8, 2506721255), (10, 2005377004), (20, 1002688502), (40, 501344251), (739, 27136360), (1478, 13568180), (2956, 6784090), (3695, 5427272), (5912, 3392045), (7390, 2713636), (14780, 1356818), (29560, 678409)]