40119220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19861}}^1$

素因数の和:19971

約数の個数: 24

約数和(自身を含む): 85088808

約数和(自身を除く): 44969588

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 19861, 39722, 79444, 99305, 198610, 397220, 2005961, 4011922, 8023844, 10029805, 20059610, 40119220]

約数ペア:

[(1, 40119220), (2, 20059610), (4, 10029805), (5, 8023844), (10, 4011922), (20, 2005961), (101, 397220), (202, 198610), (404, 99305), (505, 79444), (1010, 39722), (2020, 19861)]