819546320

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{101429}}^1$

素因数の和:101543

約数の個数: 40

約数和(自身を含む): 1924329960

約数和(自身を除く): 1104783640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 101429, 202858, 405716, 507145, 811432, 1014290, 1622864, 2028580, 4057160, 8114320, 10244329, 20488658, 40977316, 51221645, 81954632, 102443290, 163909264, 204886580, 409773160, 819546320]

約数ペア:

[(1, 819546320), (2, 409773160), (4, 204886580), (5, 163909264), (8, 102443290), (10, 81954632), (16, 51221645), (20, 40977316), (40, 20488658), (80, 10244329), (101, 8114320), (202, 4057160), (404, 2028580), (505, 1622864), (808, 1014290), (1010, 811432), (1616, 507145), (2020, 405716), (4040, 202858), (8080, 101429)]