26039980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16481}}^1$

素因数の和:16569

約数の個数: 24

約数和(自身を含む): 55379520

約数和(自身を除く): 29339540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 16481, 32962, 65924, 82405, 164810, 329620, 1301999, 2603998, 5207996, 6509995, 13019990, 26039980]

約数ペア:

[(1, 26039980), (2, 13019990), (4, 6509995), (5, 5207996), (10, 2603998), (20, 1301999), (79, 329620), (158, 164810), (316, 82405), (395, 65924), (790, 32962), (1580, 16481)]