12743600

素因数分解:

$2^4\times 5^2\times {\mathrm{31859}}^1$

素因数の和:31877

約数の個数: 30

約数和(自身を含む): 30617460

約数和(自身を除く): 17873860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31859, 63718, 127436, 159295, 254872, 318590, 509744, 637180, 796475, 1274360, 1592950, 2548720, 3185900, 6371800, 12743600]

約数ペア:

[(1, 12743600), (2, 6371800), (4, 3185900), (5, 2548720), (8, 1592950), (10, 1274360), (16, 796475), (20, 637180), (25, 509744), (40, 318590), (50, 254872), (80, 159295), (100, 127436), (200, 63718), (400, 31859)]