51796840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12821}}^1$

素因数の和:12933

約数の個数: 32

約数和(自身を含む): 117705960

約数和(自身を除く): 65909120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 12821, 25642, 51284, 64105, 102568, 128210, 256420, 512840, 1294921, 2589842, 5179684, 6474605, 10359368, 12949210, 25898420, 51796840]

約数ペア:

[(1, 51796840), (2, 25898420), (4, 12949210), (5, 10359368), (8, 6474605), (10, 5179684), (20, 2589842), (40, 1294921), (101, 512840), (202, 256420), (404, 128210), (505, 102568), (808, 64105), (1010, 51284), (2020, 25642), (4040, 12821)]