12717020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 28613088

約数和(自身を除く): 15896068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 331, 340, 452, 565, 662, 1130, 1324, 1655, 1921, 2260, 3310, 3842, 5627, 6620, 7684, 9605, 11254, 19210, 22508, 28135, 37403, 38420, 56270, 74806, 112540, 149612, 187015, 374030, 635851, 748060, 1271702, 2543404, 3179255, 6358510, 12717020]

約数ペア:

[(1, 12717020), (2, 6358510), (4, 3179255), (5, 2543404), (10, 1271702), (17, 748060), (20, 635851), (34, 374030), (68, 187015), (85, 149612), (113, 112540), (170, 74806), (226, 56270), (331, 38420), (340, 37403), (452, 28135), (565, 22508), (662, 19210), (1130, 11254), (1324, 9605), (1655, 7684), (1921, 6620), (2260, 5627), (3310, 3842)]