71112620

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{7919}}^1$

素因数の和:8377

約数の個数: 24

約数和(自身を含む): 149688000

約数和(自身を除く): 78575380

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 7919, 8980, 15838, 31676, 39595, 79190, 158380, 3555631, 7111262, 14222524, 17778155, 35556310, 71112620]

約数ペア:

[(1, 71112620), (2, 35556310), (4, 17778155), (5, 14222524), (10, 7111262), (20, 3555631), (449, 158380), (898, 79190), (1796, 39595), (2245, 31676), (4490, 15838), (7919, 8980)]