393640580

素因数分解:

$2^2\times 5^1\times {\mathrm{2423}}^1\times {\mathrm{8123}}^1$

素因数の和:10555

約数の個数: 24

約数和(自身を含む): 827088192

約数和(自身を除く): 433447612

約数列:

[1, 2, 4, 5, 10, 20, 2423, 4846, 8123, 9692, 12115, 16246, 24230, 32492, 40615, 48460, 81230, 162460, 19682029, 39364058, 78728116, 98410145, 196820290, 393640580]

約数ペア:

[(1, 393640580), (2, 196820290), (4, 98410145), (5, 78728116), (10, 39364058), (20, 19682029), (2423, 162460), (4846, 81230), (8123, 48460), (9692, 40615), (12115, 32492), (16246, 24230)]