8089640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 20079360

約数和(自身を除く): 11989720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 331, 376, 470, 520, 611, 662, 940, 1222, 1324, 1655, 1880, 2444, 2648, 3055, 3310, 4303, 4888, 6110, 6620, 8606, 12220, 13240, 15557, 17212, 21515, 24440, 31114, 34424, 43030, 62228, 77785, 86060, 124456, 155570, 172120, 202241, 311140, 404482, 622280, 808964, 1011205, 1617928, 2022410, 4044820, 8089640]

約数ペア:

[(1, 8089640), (2, 4044820), (4, 2022410), (5, 1617928), (8, 1011205), (10, 808964), (13, 622280), (20, 404482), (26, 311140), (40, 202241), (47, 172120), (52, 155570), (65, 124456), (94, 86060), (104, 77785), (130, 62228), (188, 43030), (235, 34424), (260, 31114), (331, 24440), (376, 21515), (470, 17212), (520, 15557), (611, 13240), (662, 12220), (940, 8606), (1222, 6620), (1324, 6110), (1655, 4888), (1880, 4303), (2444, 3310), (2648, 3055)]