64931080

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7151}}^1$

素因数の和:7389

約数の個数: 32

約数和(自身を含む): 146759040

約数和(自身を除く): 81827960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 7151, 9080, 14302, 28604, 35755, 57208, 71510, 143020, 286040, 1623277, 3246554, 6493108, 8116385, 12986216, 16232770, 32465540, 64931080]

約数ペア:

[(1, 64931080), (2, 32465540), (4, 16232770), (5, 12986216), (8, 8116385), (10, 6493108), (20, 3246554), (40, 1623277), (227, 286040), (454, 143020), (908, 71510), (1135, 57208), (1816, 35755), (2270, 28604), (4540, 14302), (7151, 9080)]