22721660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 51734592

約数和(自身を除く): 29012932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 311, 562, 622, 1124, 1244, 1405, 1555, 2810, 3110, 3653, 4043, 5620, 6220, 7306, 8086, 14612, 16172, 18265, 20215, 36530, 40430, 73060, 80860, 87391, 174782, 349564, 436955, 873910, 1136083, 1747820, 2272166, 4544332, 5680415, 11360830, 22721660]

約数ペア:

[(1, 22721660), (2, 11360830), (4, 5680415), (5, 4544332), (10, 2272166), (13, 1747820), (20, 1136083), (26, 873910), (52, 436955), (65, 349564), (130, 174782), (260, 87391), (281, 80860), (311, 73060), (562, 40430), (622, 36530), (1124, 20215), (1244, 18265), (1405, 16172), (1555, 14612), (2810, 8086), (3110, 7306), (3653, 6220), (4043, 5620)]