27440080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4831}}^1$

素因数の和:4915

約数の個数: 40

約数和(自身を含む): 64710144

約数和(自身を除く): 37270064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 4831, 5680, 9662, 19324, 24155, 38648, 48310, 77296, 96620, 193240, 343001, 386480, 686002, 1372004, 1715005, 2744008, 3430010, 5488016, 6860020, 13720040, 27440080]

約数ペア:

[(1, 27440080), (2, 13720040), (4, 6860020), (5, 5488016), (8, 3430010), (10, 2744008), (16, 1715005), (20, 1372004), (40, 686002), (71, 386480), (80, 343001), (142, 193240), (284, 96620), (355, 77296), (568, 48310), (710, 38648), (1136, 24155), (1420, 19324), (2840, 9662), (4831, 5680)]