12461908520

素因数分解:

$2^3\times 5^1\times {\mathrm{2111}}^1\times {\mathrm{147583}}^1$

素因数の和:149705

約数の個数: 32

約数和(自身を含む): 28052766720

約数和(自身を除く): 15590858200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2111, 4222, 8444, 10555, 16888, 21110, 42220, 84440, 147583, 295166, 590332, 737915, 1180664, 1475830, 2951660, 5903320, 311547713, 623095426, 1246190852, 1557738565, 2492381704, 3115477130, 6230954260, 12461908520]

約数ペア:

[(1, 12461908520), (2, 6230954260), (4, 3115477130), (5, 2492381704), (8, 1557738565), (10, 1246190852), (20, 623095426), (40, 311547713), (2111, 5903320), (4222, 2951660), (8444, 1475830), (10555, 1180664), (16888, 737915), (21110, 590332), (42220, 295166), (84440, 147583)]