12694420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 27751248

約数和(自身を除く): 15056828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 137, 164, 205, 226, 274, 410, 452, 548, 565, 685, 820, 1130, 1370, 2260, 2740, 4633, 5617, 9266, 11234, 15481, 18532, 22468, 23165, 28085, 30962, 46330, 56170, 61924, 77405, 92660, 112340, 154810, 309620, 634721, 1269442, 2538884, 3173605, 6347210, 12694420]

約数ペア:

[(1, 12694420), (2, 6347210), (4, 3173605), (5, 2538884), (10, 1269442), (20, 634721), (41, 309620), (82, 154810), (113, 112340), (137, 92660), (164, 77405), (205, 61924), (226, 56170), (274, 46330), (410, 30962), (452, 28085), (548, 23165), (565, 22468), (685, 18532), (820, 15481), (1130, 11234), (1370, 9266), (2260, 5617), (2740, 4633)]