12271780

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2281}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 25877880

約数和(自身を除く): 13606100

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2281, 2690, 4562, 5380, 9124, 11405, 22810, 45620, 613589, 1227178, 2454356, 3067945, 6135890, 12271780]

約数ペア:

[(1, 12271780), (2, 6135890), (4, 3067945), (5, 2454356), (10, 1227178), (20, 613589), (269, 45620), (538, 22810), (1076, 11405), (1345, 9124), (2281, 5380), (2690, 4562)]