72514280

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1867}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 163412640

約数和(自身を除く): 90898360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1867, 1942, 3734, 3884, 4855, 7468, 7768, 9335, 9710, 14936, 18670, 19420, 37340, 38840, 74680, 1812857, 3625714, 7251428, 9064285, 14502856, 18128570, 36257140, 72514280]

約数ペア:

[(1, 72514280), (2, 36257140), (4, 18128570), (5, 14502856), (8, 9064285), (10, 7251428), (20, 3625714), (40, 1812857), (971, 74680), (1867, 38840), (1942, 37340), (3734, 19420), (3884, 18670), (4855, 14936), (7468, 9710), (7768, 9335)]