648160

素因数分解:

$2^5\times 5^1\times {\mathrm{4051}}^1$

素因数の和:4066

約数の個数: 24

約数和(自身を含む): 1531656

約数和(自身を除く): 883496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4051, 8102, 16204, 20255, 32408, 40510, 64816, 81020, 129632, 162040, 324080, 648160]

約数ペア:

[(1, 648160), (2, 324080), (4, 162040), (5, 129632), (8, 81020), (10, 64816), (16, 40510), (20, 32408), (32, 20255), (40, 16204), (80, 8102), (160, 4051)]