85520840

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{7297}}^1$

素因数の和:7601

約数の個数: 32

約数和(自身を含む): 193105080

約数和(自身を除く): 107584240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 7297, 11720, 14594, 29188, 36485, 58376, 72970, 145940, 291880, 2138021, 4276042, 8552084, 10690105, 17104168, 21380210, 42760420, 85520840]

約数ペア:

[(1, 85520840), (2, 42760420), (4, 21380210), (5, 17104168), (8, 10690105), (10, 8552084), (20, 4276042), (40, 2138021), (293, 291880), (586, 145940), (1172, 72970), (1465, 58376), (2344, 36485), (2930, 29188), (5860, 14594), (7297, 11720)]