1285457540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3382783}}^1$

素因数の和:3382811

約数の個数: 24

約数和(自身を含む): 2841538560

約数和(自身を除く): 1556081020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3382783, 6765566, 13531132, 16913915, 33827830, 64272877, 67655660, 128545754, 257091508, 321364385, 642728770, 1285457540]

約数ペア:

[(1, 1285457540), (2, 642728770), (4, 321364385), (5, 257091508), (10, 128545754), (19, 67655660), (20, 64272877), (38, 33827830), (76, 16913915), (95, 13531132), (190, 6765566), (380, 3382783)]