129325880

素因数分解:

$2^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{4271}}^1$

素因数の和:5039

約数の個数: 32

約数和(自身を含む): 291435840

約数和(自身を除く): 162109960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 757, 1514, 3028, 3785, 4271, 6056, 7570, 8542, 15140, 17084, 21355, 30280, 34168, 42710, 85420, 170840, 3233147, 6466294, 12932588, 16165735, 25865176, 32331470, 64662940, 129325880]

約数ペア:

[(1, 129325880), (2, 64662940), (4, 32331470), (5, 25865176), (8, 16165735), (10, 12932588), (20, 6466294), (40, 3233147), (757, 170840), (1514, 85420), (3028, 42710), (3785, 34168), (4271, 30280), (6056, 21355), (7570, 17084), (8542, 15140)]