1611760

素因数分解:

$2^4\times 5^1\times {\mathrm{20147}}^1$

素因数の和:20160

約数の個数: 20

約数和(自身を含む): 3747528

約数和(自身を除く): 2135768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20147, 40294, 80588, 100735, 161176, 201470, 322352, 402940, 805880, 1611760]

約数ペア:

[(1, 1611760), (2, 805880), (4, 402940), (5, 322352), (8, 201470), (10, 161176), (16, 100735), (20, 80588), (40, 40294), (80, 20147)]