26431820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16729}}^1$

素因数の和:16817

約数の個数: 24

約数和(自身を含む): 56212800

約数和(自身を除く): 29780980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 16729, 33458, 66916, 83645, 167290, 334580, 1321591, 2643182, 5286364, 6607955, 13215910, 26431820]

約数ペア:

[(1, 26431820), (2, 13215910), (4, 6607955), (5, 5286364), (10, 2643182), (20, 1321591), (79, 334580), (158, 167290), (316, 83645), (395, 66916), (790, 33458), (1580, 16729)]