520016302040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1660121}}^1$

素因数の和:1660364

約数の個数: 64

約数和(自身を含む): 1204850142720

約数和(自身を除く): 684833840680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 191, 205, 328, 382, 410, 764, 820, 955, 1528, 1640, 1910, 3820, 7640, 7831, 15662, 31324, 39155, 62648, 78310, 156620, 313240, 1660121, 3320242, 6640484, 8300605, 13280968, 16601210, 33202420, 66404840, 68064961, 136129922, 272259844, 317083111, 340324805, 544519688, 634166222, 680649610, 1268332444, 1361299220, 1585415555, 2536664888, 2722598440, 3170831110, 6341662220, 12683324440, 13000407551, 26000815102, 52001630204, 65002037755, 104003260408, 130004075510, 260008151020, 520016302040]

約数ペア:

[(1, 520016302040), (2, 260008151020), (4, 130004075510), (5, 104003260408), (8, 65002037755), (10, 52001630204), (20, 26000815102), (40, 13000407551), (41, 12683324440), (82, 6341662220), (164, 3170831110), (191, 2722598440), (205, 2536664888), (328, 1585415555), (382, 1361299220), (410, 1268332444), (764, 680649610), (820, 634166222), (955, 544519688), (1528, 340324805), (1640, 317083111), (1910, 272259844), (3820, 136129922), (7640, 68064961), (7831, 66404840), (15662, 33202420), (31324, 16601210), (39155, 13280968), (62648, 8300605), (78310, 6640484), (156620, 3320242), (313240, 1660121)]