68715320

素因数分解:

$2^3\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1607}}^1$

素因数の和:2687

約数の個数: 32

約数和(自身を含む): 154850400

約数和(自身を除く): 86135080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069, 1607, 2138, 3214, 4276, 5345, 6428, 8035, 8552, 10690, 12856, 16070, 21380, 32140, 42760, 64280, 1717883, 3435766, 6871532, 8589415, 13743064, 17178830, 34357660, 68715320]

約数ペア:

[(1, 68715320), (2, 34357660), (4, 17178830), (5, 13743064), (8, 8589415), (10, 6871532), (20, 3435766), (40, 1717883), (1069, 64280), (1607, 42760), (2138, 32140), (3214, 21380), (4276, 16070), (5345, 12856), (6428, 10690), (8035, 8552)]