13038440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4591}}^1$

素因数の和:4673

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 16717720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4591, 9182, 18364, 22955, 36728, 45910, 91820, 183640, 325961, 651922, 1303844, 1629805, 2607688, 3259610, 6519220, 13038440]

約数ペア:

[(1, 13038440), (2, 6519220), (4, 3259610), (5, 2607688), (8, 1629805), (10, 1303844), (20, 651922), (40, 325961), (71, 183640), (142, 91820), (284, 45910), (355, 36728), (568, 22955), (710, 18364), (1420, 9182), (2840, 4591)]