1632880

素因数分解:

$2^4\times 5^1\times {\mathrm{20411}}^1$

素因数の和:20424

約数の個数: 20

約数和(自身を含む): 3796632

約数和(自身を除く): 2163752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20411, 40822, 81644, 102055, 163288, 204110, 326576, 408220, 816440, 1632880]

約数ペア:

[(1, 1632880), (2, 816440), (4, 408220), (5, 326576), (8, 204110), (10, 163288), (16, 102055), (20, 81644), (40, 40822), (80, 20411)]