179913520

素因数分解:

$2^4\times 5^1\times {\mathrm{2248919}}^1$

素因数の和:2248932

約数の個数: 20

約数和(自身を含む): 418299120

約数和(自身を除く): 238385600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2248919, 4497838, 8995676, 11244595, 17991352, 22489190, 35982704, 44978380, 89956760, 179913520]

約数ペア:

[(1, 179913520), (2, 89956760), (4, 44978380), (5, 35982704), (8, 22489190), (10, 17991352), (16, 11244595), (20, 8995676), (40, 4497838), (80, 2248919)]