200033720

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{12227}}^1$

素因数の和:12647

約数の個数: 32

約数和(自身を含む): 451213200

約数和(自身を除く): 251179480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 12227, 16360, 24454, 48908, 61135, 97816, 122270, 244540, 489080, 5000843, 10001686, 20003372, 25004215, 40006744, 50008430, 100016860, 200033720]

約数ペア:

[(1, 200033720), (2, 100016860), (4, 50008430), (5, 40006744), (8, 25004215), (10, 20003372), (20, 10001686), (40, 5000843), (409, 489080), (818, 244540), (1636, 122270), (2045, 97816), (3272, 61135), (4090, 48908), (8180, 24454), (12227, 16360)]