12462920

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1801}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 28219320

約数和(自身を除く): 15756400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 1801, 3460, 3602, 6920, 7204, 9005, 14408, 18010, 36020, 72040, 311573, 623146, 1246292, 1557865, 2492584, 3115730, 6231460, 12462920]

約数ペア:

[(1, 12462920), (2, 6231460), (4, 3115730), (5, 2492584), (8, 1557865), (10, 1246292), (20, 623146), (40, 311573), (173, 72040), (346, 36020), (692, 18010), (865, 14408), (1384, 9005), (1730, 7204), (1801, 6920), (3460, 3602)]