201809188780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{99905539}}^1$

素因数の和:99905649

約数の個数: 24

約数和(自身を含む): 427995333360

約数和(自身を除く): 226186144580

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 99905539, 199811078, 399622156, 499527695, 999055390, 1998110780, 10090459439, 20180918878, 40361837756, 50452297195, 100904594390, 201809188780]

約数ペア:

[(1, 201809188780), (2, 100904594390), (4, 50452297195), (5, 40361837756), (10, 20180918878), (20, 10090459439), (101, 1998110780), (202, 999055390), (404, 499527695), (505, 399622156), (1010, 199811078), (2020, 99905539)]