8640642.00000000

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1657}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 175482720

約数和(自身を除く): 88801736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 503, 1006, 1657, 2012, 3314, 4024, 6539, 6628, 13078, 13256, 21541, 26156, 43082, 52312, 86164, 172328, 833471, 1666942, 3333884, 6667768, 10835123, 21670246, 43340492, 86680984]

約数ペア:

[(1, 86680984), (2, 43340492), (4, 21670246), (8, 10835123), (13, 6667768), (26, 3333884), (52, 1666942), (104, 833471), (503, 172328), (1006, 86164), (1657, 52312), (2012, 43082), (3314, 26156), (4024, 21541), (6539, 13256), (6628, 13078)]