16918280

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{883}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 21270520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 883, 958, 1766, 1916, 2395, 3532, 3832, 4415, 4790, 7064, 8830, 9580, 17660, 19160, 35320, 422957, 845914, 1691828, 2114785, 3383656, 4229570, 8459140, 16918280]

約数ペア:

[(1, 16918280), (2, 8459140), (4, 4229570), (5, 3383656), (8, 2114785), (10, 1691828), (20, 845914), (40, 422957), (479, 35320), (883, 19160), (958, 17660), (1766, 9580), (1916, 8830), (2395, 7064), (3532, 4790), (3832, 4415)]