163955320

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{40583}}^1$

素因数の和:40695

約数の個数: 32

約数和(自身を含む): 372561120

約数和(自身を除く): 208605800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 40583, 81166, 162332, 202915, 324664, 405830, 811660, 1623320, 4098883, 8197766, 16395532, 20494415, 32791064, 40988830, 81977660, 163955320]

約数ペア:

[(1, 163955320), (2, 81977660), (4, 40988830), (5, 32791064), (8, 20494415), (10, 16395532), (20, 8197766), (40, 4098883), (101, 1623320), (202, 811660), (404, 405830), (505, 324664), (808, 202915), (1010, 162332), (2020, 81166), (4040, 40583)]