25202120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7591}}^1$

素因数の和:7685

約数の個数: 32

約数和(自身を含む): 57395520

約数和(自身を除く): 32193400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 7591, 15182, 30364, 37955, 60728, 75910, 151820, 303640, 630053, 1260106, 2520212, 3150265, 5040424, 6300530, 12601060, 25202120]

約数ペア:

[(1, 25202120), (2, 12601060), (4, 6300530), (5, 5040424), (8, 3150265), (10, 2520212), (20, 1260106), (40, 630053), (83, 303640), (166, 151820), (332, 75910), (415, 60728), (664, 37955), (830, 30364), (1660, 15182), (3320, 7591)]