196145440

素因数分解:

$2^5\times 5^1\times {\mathrm{1225909}}^1$

素因数の和:1225924

約数の個数: 24

約数和(自身を含む): 463393980

約数和(自身を除く): 267248540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1225909, 2451818, 4903636, 6129545, 9807272, 12259090, 19614544, 24518180, 39229088, 49036360, 98072720, 196145440]

約数ペア:

[(1, 196145440), (2, 98072720), (4, 49036360), (5, 39229088), (8, 24518180), (10, 19614544), (16, 12259090), (20, 9807272), (32, 6129545), (40, 4903636), (80, 2451818), (160, 1225909)]