2005115800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2179}}^1$

素因数の和:2345

約数の個数: 96

約数和(自身を含む): 4817102400

約数和(自身を除く): 2811986600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 107, 172, 200, 214, 215, 344, 428, 430, 535, 856, 860, 1070, 1075, 1720, 2140, 2150, 2179, 2675, 4280, 4300, 4358, 4601, 5350, 8600, 8716, 9202, 10700, 10895, 17432, 18404, 21400, 21790, 23005, 36808, 43580, 46010, 54475, 87160, 92020, 93697, 108950, 115025, 184040, 187394, 217900, 230050, 233153, 374788, 435800, 460100, 466306, 468485, 749576, 920200, 932612, 936970, 1165765, 1865224, 1873940, 2331530, 2342425, 3747880, 4663060, 4684850, 5828825, 9326120, 9369700, 10025579, 11657650, 18739400, 20051158, 23315300, 40102316, 46630600, 50127895, 80204632, 100255790, 200511580, 250639475, 401023160, 501278950, 1002557900, 2005115800]

約数ペア:

[(1, 2005115800), (2, 1002557900), (4, 501278950), (5, 401023160), (8, 250639475), (10, 200511580), (20, 100255790), (25, 80204632), (40, 50127895), (43, 46630600), (50, 40102316), (86, 23315300), (100, 20051158), (107, 18739400), (172, 11657650), (200, 10025579), (214, 9369700), (215, 9326120), (344, 5828825), (428, 4684850), (430, 4663060), (535, 3747880), (856, 2342425), (860, 2331530), (1070, 1873940), (1075, 1865224), (1720, 1165765), (2140, 936970), (2150, 932612), (2179, 920200), (2675, 749576), (4280, 468485), (4300, 466306), (4358, 460100), (4601, 435800), (5350, 374788), (8600, 233153), (8716, 230050), (9202, 217900), (10700, 187394), (10895, 184040), (17432, 115025), (18404, 108950), (21400, 93697), (21790, 92020), (23005, 87160), (36808, 54475), (43580, 46010)]