159204520

素因数分解:

$2^3\times 5^1\times {\mathrm{3980113}}^1$

素因数の和:3980124

約数の個数: 16

約数和(自身を含む): 358210260

約数和(自身を除く): 199005740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3980113, 7960226, 15920452, 19900565, 31840904, 39801130, 79602260, 159204520]

約数ペア:

[(1, 159204520), (2, 79602260), (4, 39801130), (5, 31840904), (8, 19900565), (10, 15920452), (20, 7960226), (40, 3980113)]