162787120

素因数分解:

$2^4\times 5^1\times {\mathrm{2034839}}^1$

素因数の和:2034852

約数の個数: 20

約数和(自身を含む): 378480240

約数和(自身を除く): 215693120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2034839, 4069678, 8139356, 10174195, 16278712, 20348390, 32557424, 40696780, 81393560, 162787120]

約数ペア:

[(1, 162787120), (2, 81393560), (4, 40696780), (5, 32557424), (8, 20348390), (10, 16278712), (16, 10174195), (20, 8139356), (40, 4069678), (80, 2034839)]