40019870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21401}}^1$

素因数の和:21436

約数の個数: 32

約数和(自身を含む): 83210976

約数和(自身を除く): 43191106

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 21401, 42802, 107005, 214010, 235411, 363817, 470822, 727634, 1177055, 1819085, 2354110, 3638170, 4001987, 8003974, 20009935, 40019870]

約数ペア:

[(1, 40019870), (2, 20009935), (5, 8003974), (10, 4001987), (11, 3638170), (17, 2354110), (22, 1819085), (34, 1177055), (55, 727634), (85, 470822), (110, 363817), (170, 235411), (187, 214010), (374, 107005), (935, 42802), (1870, 21401)]