4124840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 9381960

約数和(自身を除く): 5257120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1021, 2020, 2042, 4040, 4084, 5105, 8168, 10210, 20420, 40840, 103121, 206242, 412484, 515605, 824968, 1031210, 2062420, 4124840]

約数ペア:

[(1, 4124840), (2, 2062420), (4, 1031210), (5, 824968), (8, 515605), (10, 412484), (20, 206242), (40, 103121), (101, 40840), (202, 20420), (404, 10210), (505, 8168), (808, 5105), (1010, 4084), (1021, 4040), (2020, 2042)]