1609040

素因数分解:

$2^4\times 5^1\times {\mathrm{20113}}^1$

素因数の和:20126

約数の個数: 20

約数和(自身を含む): 3741204

約数和(自身を除く): 2132164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20113, 40226, 80452, 100565, 160904, 201130, 321808, 402260, 804520, 1609040]

約数ペア:

[(1, 1609040), (2, 804520), (4, 402260), (5, 321808), (8, 201130), (10, 160904), (16, 100565), (20, 80452), (40, 40226), (80, 20113)]