816308260

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{404113}}^1$

素因数の和:404223

約数の個数: 24

約数和(自身を含む): 1731224376

約数和(自身を除く): 914916116

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 404113, 808226, 1616452, 2020565, 4041130, 8082260, 40815413, 81630826, 163261652, 204077065, 408154130, 816308260]

約数ペア:

[(1, 816308260), (2, 408154130), (4, 204077065), (5, 163261652), (10, 81630826), (20, 40815413), (101, 8082260), (202, 4041130), (404, 2020565), (505, 1616452), (1010, 808226), (2020, 404113)]