12445220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^2$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 26829012

約数和(自身を除く): 14383792

約数列:

[1, 2, 4, 5, 10, 20, 61, 101, 122, 202, 244, 305, 404, 505, 610, 1010, 1220, 2020, 6161, 10201, 12322, 20402, 24644, 30805, 40804, 51005, 61610, 102010, 123220, 204020, 622261, 1244522, 2489044, 3111305, 6222610, 12445220]

約数ペア:

[(1, 12445220), (2, 6222610), (4, 3111305), (5, 2489044), (10, 1244522), (20, 622261), (61, 204020), (101, 123220), (122, 102010), (202, 61610), (244, 51005), (305, 40804), (404, 30805), (505, 24644), (610, 20402), (1010, 12322), (1220, 10201), (2020, 6161)]