161330457520

素因数分解:

$2^4\times 5^1\times {\mathrm{2016630719}}^1$

素因数の和:2016630732

約数の個数: 20

約数和(自身を含む): 375093313920

約数和(自身を除く): 213762856400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2016630719, 4033261438, 8066522876, 10083153595, 16133045752, 20166307190, 32266091504, 40332614380, 80665228760, 161330457520]

約数ペア:

[(1, 161330457520), (2, 80665228760), (4, 40332614380), (5, 32266091504), (8, 20166307190), (10, 16133045752), (16, 10083153595), (20, 8066522876), (40, 4033261438), (80, 2016630719)]