713388040

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{21991}}^1$

素因数の和:22813

約数の個数: 32

約数和(自身を含む): 1607175360

約数和(自身を除く): 893787320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 16220, 21991, 32440, 43982, 87964, 109955, 175928, 219910, 439820, 879640, 17834701, 35669402, 71338804, 89173505, 142677608, 178347010, 356694020, 713388040]

約数ペア:

[(1, 713388040), (2, 356694020), (4, 178347010), (5, 142677608), (8, 89173505), (10, 71338804), (20, 35669402), (40, 17834701), (811, 879640), (1622, 439820), (3244, 219910), (4055, 175928), (6488, 109955), (8110, 87964), (16220, 43982), (21991, 32440)]