85321000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2143

約数の個数: 64

約数和(自身を含む): 204618960

約数和(自身を除く): 119297960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 820, 1000, 1025, 1640, 2050, 2081, 4100, 4162, 5125, 8200, 8324, 10250, 10405, 16648, 20500, 20810, 41000, 41620, 52025, 83240, 85321, 104050, 170642, 208100, 260125, 341284, 416200, 426605, 520250, 682568, 853210, 1040500, 1706420, 2081000, 2133025, 3412840, 4266050, 8532100, 10665125, 17064200, 21330250, 42660500, 85321000]

約数ペア:

[(1, 85321000), (2, 42660500), (4, 21330250), (5, 17064200), (8, 10665125), (10, 8532100), (20, 4266050), (25, 3412840), (40, 2133025), (41, 2081000), (50, 1706420), (82, 1040500), (100, 853210), (125, 682568), (164, 520250), (200, 426605), (205, 416200), (250, 341284), (328, 260125), (410, 208100), (500, 170642), (820, 104050), (1000, 85321), (1025, 83240), (1640, 52025), (2050, 41620), (2081, 41000), (4100, 20810), (4162, 20500), (5125, 16648), (8200, 10405), (8324, 10250)]