208768180

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{23563}}^1$

素因数の和:24015

約数の個数: 24

約数和(自身を含む): 439421472

約数和(自身を除く): 230653292

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 23563, 47126, 94252, 117815, 235630, 471260, 10438409, 20876818, 41753636, 52192045, 104384090, 208768180]

約数ペア:

[(1, 208768180), (2, 104384090), (4, 52192045), (5, 41753636), (10, 20876818), (20, 10438409), (443, 471260), (886, 235630), (1772, 117815), (2215, 94252), (4430, 47126), (8860, 23563)]