1339804540

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{85121}}^1$

素因数の和:85917

約数の個数: 24

約数和(自身を含む): 2817197712

約数和(自身を除く): 1477393172

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 7870, 15740, 85121, 170242, 340484, 425605, 851210, 1702420, 66990227, 133980454, 267960908, 334951135, 669902270, 1339804540]

約数ペア:

[(1, 1339804540), (2, 669902270), (4, 334951135), (5, 267960908), (10, 133980454), (20, 66990227), (787, 1702420), (1574, 851210), (3148, 425605), (3935, 340484), (7870, 170242), (15740, 85121)]