1017680

素因数分解:

$2^4\times 5^1\times {\mathrm{12721}}^1$

素因数の和:12734

約数の個数: 20

約数和(自身を含む): 2366292

約数和(自身を除く): 1348612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12721, 25442, 50884, 63605, 101768, 127210, 203536, 254420, 508840, 1017680]

約数ペア:

[(1, 1017680), (2, 508840), (4, 254420), (5, 203536), (8, 127210), (10, 101768), (16, 63605), (20, 50884), (40, 25442), (80, 12721)]