66377560

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1709}}^1$

素因数の和:2691

約数の個数: 32

約数和(自身を含む): 149590800

約数和(自身を除く): 83213240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1709, 1942, 3418, 3884, 4855, 6836, 7768, 8545, 9710, 13672, 17090, 19420, 34180, 38840, 68360, 1659439, 3318878, 6637756, 8297195, 13275512, 16594390, 33188780, 66377560]

約数ペア:

[(1, 66377560), (2, 33188780), (4, 16594390), (5, 13275512), (8, 8297195), (10, 6637756), (20, 3318878), (40, 1659439), (971, 68360), (1709, 38840), (1942, 34180), (3418, 19420), (3884, 17090), (4855, 13672), (6836, 9710), (7768, 8545)]