18681040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33359}}^1$

素因数の和:33379

約数の個数: 40

約数和(自身を含む): 49639680

約数和(自身を除く): 30958640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33359, 66718, 133436, 166795, 233513, 266872, 333590, 467026, 533744, 667180, 934052, 1167565, 1334360, 1868104, 2335130, 2668720, 3736208, 4670260, 9340520, 18681040]

約数ペア:

[(1, 18681040), (2, 9340520), (4, 4670260), (5, 3736208), (7, 2668720), (8, 2335130), (10, 1868104), (14, 1334360), (16, 1167565), (20, 934052), (28, 667180), (35, 533744), (40, 467026), (56, 333590), (70, 266872), (80, 233513), (112, 166795), (140, 133436), (280, 66718), (560, 33359)]