12730580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 27808704

約数和(自身を除く): 15078124

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 131, 172, 215, 226, 262, 430, 452, 524, 565, 655, 860, 1130, 1310, 2260, 2620, 4859, 5633, 9718, 11266, 14803, 19436, 22532, 24295, 28165, 29606, 48590, 56330, 59212, 74015, 97180, 112660, 148030, 296060, 636529, 1273058, 2546116, 3182645, 6365290, 12730580]

約数ペア:

[(1, 12730580), (2, 6365290), (4, 3182645), (5, 2546116), (10, 1273058), (20, 636529), (43, 296060), (86, 148030), (113, 112660), (131, 97180), (172, 74015), (215, 59212), (226, 56330), (262, 48590), (430, 29606), (452, 28165), (524, 24295), (565, 22532), (655, 19436), (860, 14803), (1130, 11266), (1310, 9718), (2260, 5633), (2620, 4859)]