85696720

素因数分解:

$2^4\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1039}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 199630080

約数和(自身を除く): 113933360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1031, 1039, 2062, 2078, 4124, 4156, 5155, 5195, 8248, 8312, 10310, 10390, 16496, 16624, 20620, 20780, 41240, 41560, 82480, 83120, 1071209, 2142418, 4284836, 5356045, 8569672, 10712090, 17139344, 21424180, 42848360, 85696720]

約数ペア:

[(1, 85696720), (2, 42848360), (4, 21424180), (5, 17139344), (8, 10712090), (10, 8569672), (16, 5356045), (20, 4284836), (40, 2142418), (80, 1071209), (1031, 83120), (1039, 82480), (2062, 41560), (2078, 41240), (4124, 20780), (4156, 20620), (5155, 16624), (5195, 16496), (8248, 10390), (8312, 10310)]