1238647580

素因数分解:

$2^2\times 5^1\times {\mathrm{4177}}^1\times {\mathrm{14827}}^1$

素因数の和:19013

約数の個数: 24

約数和(自身を含む): 2601958128

約数和(自身を除く): 1363310548

約数列:

[1, 2, 4, 5, 10, 20, 4177, 8354, 14827, 16708, 20885, 29654, 41770, 59308, 74135, 83540, 148270, 296540, 61932379, 123864758, 247729516, 309661895, 619323790, 1238647580]

約数ペア:

[(1, 1238647580), (2, 619323790), (4, 309661895), (5, 247729516), (10, 123864758), (20, 61932379), (4177, 296540), (8354, 148270), (14827, 83540), (16708, 74135), (20885, 59308), (29654, 41770)]