6821680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1285

約数の個数: 40

約数和(自身を含む): 16097184

約数和(自身を除く): 9275504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1201, 1420, 2402, 2840, 4804, 5680, 6005, 9608, 12010, 19216, 24020, 48040, 85271, 96080, 170542, 341084, 426355, 682168, 852710, 1364336, 1705420, 3410840, 6821680]

約数ペア:

[(1, 6821680), (2, 3410840), (4, 1705420), (5, 1364336), (8, 852710), (10, 682168), (16, 426355), (20, 341084), (40, 170542), (71, 96080), (80, 85271), (142, 48040), (284, 24020), (355, 19216), (568, 12010), (710, 9608), (1136, 6005), (1201, 5680), (1420, 4804), (2402, 2840)]