1432780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 3054240

約数和(自身を除く): 1621460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1009, 1420, 2018, 4036, 5045, 10090, 20180, 71639, 143278, 286556, 358195, 716390, 1432780]

約数ペア:

[(1, 1432780), (2, 716390), (4, 358195), (5, 286556), (10, 143278), (20, 71639), (71, 20180), (142, 10090), (284, 5045), (355, 4036), (710, 2018), (1009, 1420)]