12215240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9851}}^1$

素因数の和:9893

約数の個数: 32

約数和(自身を含む): 28373760

約数和(自身を除く): 16158520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 9851, 19702, 39404, 49255, 78808, 98510, 197020, 305381, 394040, 610762, 1221524, 1526905, 2443048, 3053810, 6107620, 12215240]

約数ペア:

[(1, 12215240), (2, 6107620), (4, 3053810), (5, 2443048), (8, 1526905), (10, 1221524), (20, 610762), (31, 394040), (40, 305381), (62, 197020), (124, 98510), (155, 78808), (248, 49255), (310, 39404), (620, 19702), (1240, 9851)]