8266705420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{21529}}^1$

素因数の和:21874

約数の個数: 48

約数和(自身を含む): 17665623360

約数和(自身を除く): 9398917940

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 263, 292, 365, 526, 730, 1052, 1315, 1460, 2630, 5260, 19199, 21529, 38398, 43058, 76796, 86116, 95995, 107645, 191990, 215290, 383980, 430580, 1571617, 3143234, 5662127, 6286468, 7858085, 11324254, 15716170, 22648508, 28310635, 31432340, 56621270, 113242540, 413335271, 826670542, 1653341084, 2066676355, 4133352710, 8266705420]

約数ペア:

[(1, 8266705420), (2, 4133352710), (4, 2066676355), (5, 1653341084), (10, 826670542), (20, 413335271), (73, 113242540), (146, 56621270), (263, 31432340), (292, 28310635), (365, 22648508), (526, 15716170), (730, 11324254), (1052, 7858085), (1315, 6286468), (1460, 5662127), (2630, 3143234), (5260, 1571617), (19199, 430580), (21529, 383980), (38398, 215290), (43058, 191990), (76796, 107645), (86116, 95995)]