668840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 1572480

約数和(自身を除く): 903640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 727, 920, 1454, 2908, 3635, 5816, 7270, 14540, 16721, 29080, 33442, 66884, 83605, 133768, 167210, 334420, 668840]

約数ペア:

[(1, 668840), (2, 334420), (4, 167210), (5, 133768), (8, 83605), (10, 66884), (20, 33442), (23, 29080), (40, 16721), (46, 14540), (92, 7270), (115, 5816), (184, 3635), (230, 2908), (460, 1454), (727, 920)]