42388580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12541}}^1$

素因数の和:12576

約数の個数: 36

約数和(自身を含む): 96397812

約数和(自身を除く): 54009232

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 12541, 25082, 50164, 62705, 125410, 163033, 250820, 326066, 652132, 815165, 1630330, 2119429, 3260660, 4238858, 8477716, 10597145, 21194290, 42388580]

約数ペア:

[(1, 42388580), (2, 21194290), (4, 10597145), (5, 8477716), (10, 4238858), (13, 3260660), (20, 2119429), (26, 1630330), (52, 815165), (65, 652132), (130, 326066), (169, 250820), (260, 163033), (338, 125410), (676, 62705), (845, 50164), (1690, 25082), (3380, 12541)]