256429920100

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{25389101}}^1$

素因数の和:25389216

約数の個数: 36

約数和(自身を含む): 561962383668

約数和(自身を除く): 305532463568

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 5050, 10100, 25389101, 50778202, 101556404, 126945505, 253891010, 507782020, 634727525, 1269455050, 2538910100, 2564299201, 5128598402, 10257196804, 12821496005, 25642992010, 51285984020, 64107480025, 128214960050, 256429920100]

約数ペア:

[(1, 256429920100), (2, 128214960050), (4, 64107480025), (5, 51285984020), (10, 25642992010), (20, 12821496005), (25, 10257196804), (50, 5128598402), (100, 2564299201), (101, 2538910100), (202, 1269455050), (404, 634727525), (505, 507782020), (1010, 253891010), (2020, 126945505), (2525, 101556404), (5050, 50778202), (10100, 25389101)]