83872420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{41521}}^1$

素因数の和:41631

約数の個数: 24

約数和(自身を含む): 177880248

約数和(自身を除く): 94007828

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 41521, 83042, 166084, 207605, 415210, 830420, 4193621, 8387242, 16774484, 20968105, 41936210, 83872420]

約数ペア:

[(1, 83872420), (2, 41936210), (4, 20968105), (5, 16774484), (10, 8387242), (20, 4193621), (101, 830420), (202, 415210), (404, 207605), (505, 166084), (1010, 83042), (2020, 41521)]