12147500

素因数分解:

$2^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 27422472

約数和(自身を除く): 15274972

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 113, 125, 172, 215, 226, 250, 430, 452, 500, 565, 625, 860, 1075, 1130, 1250, 2150, 2260, 2500, 2825, 4300, 4859, 5375, 5650, 9718, 10750, 11300, 14125, 19436, 21500, 24295, 26875, 28250, 48590, 53750, 56500, 70625, 97180, 107500, 121475, 141250, 242950, 282500, 485900, 607375, 1214750, 2429500, 3036875, 6073750, 12147500]

約数ペア:

[(1, 12147500), (2, 6073750), (4, 3036875), (5, 2429500), (10, 1214750), (20, 607375), (25, 485900), (43, 282500), (50, 242950), (86, 141250), (100, 121475), (113, 107500), (125, 97180), (172, 70625), (215, 56500), (226, 53750), (250, 48590), (430, 28250), (452, 26875), (500, 24295), (565, 21500), (625, 19436), (860, 14125), (1075, 11300), (1130, 10750), (1250, 9718), (2150, 5650), (2260, 5375), (2500, 4859), (2825, 4300)]