8337080

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 18854640

約数和(自身を除く): 10517560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 811, 1028, 1285, 1622, 2056, 2570, 3244, 4055, 5140, 6488, 8110, 10280, 16220, 32440, 208427, 416854, 833708, 1042135, 1667416, 2084270, 4168540, 8337080]

約数ペア:

[(1, 8337080), (2, 4168540), (4, 2084270), (5, 1667416), (8, 1042135), (10, 833708), (20, 416854), (40, 208427), (257, 32440), (514, 16220), (811, 10280), (1028, 8110), (1285, 6488), (1622, 5140), (2056, 4055), (2570, 3244)]