158948380

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{19819}}^1$

素因数の和:20229

約数の個数: 24

約数和(自身を含む): 334640880

約数和(自身を除く): 175692500

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 19819, 39638, 79276, 99095, 198190, 396380, 7947419, 15894838, 31789676, 39737095, 79474190, 158948380]

約数ペア:

[(1, 158948380), (2, 79474190), (4, 39737095), (5, 31789676), (10, 15894838), (20, 7947419), (401, 396380), (802, 198190), (1604, 99095), (2005, 79276), (4010, 39638), (8020, 19819)]