12201020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 27857088

約数和(自身を除く): 15656068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 281, 334, 562, 668, 835, 1124, 1405, 1670, 2171, 2810, 3340, 3653, 4342, 5620, 7306, 8684, 10855, 14612, 18265, 21710, 36530, 43420, 46927, 73060, 93854, 187708, 234635, 469270, 610051, 938540, 1220102, 2440204, 3050255, 6100510, 12201020]

約数ペア:

[(1, 12201020), (2, 6100510), (4, 3050255), (5, 2440204), (10, 1220102), (13, 938540), (20, 610051), (26, 469270), (52, 234635), (65, 187708), (130, 93854), (167, 73060), (260, 46927), (281, 43420), (334, 36530), (562, 21710), (668, 18265), (835, 14612), (1124, 10855), (1405, 8684), (1670, 7306), (2171, 5620), (2810, 4342), (3340, 3653)]