11455000

素因数分解:

$2^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 28116000

約数和(自身を除く): 16661000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 79, 100, 116, 125, 145, 158, 200, 232, 250, 290, 316, 395, 500, 580, 625, 632, 725, 790, 1000, 1160, 1250, 1450, 1580, 1975, 2291, 2500, 2900, 3160, 3625, 3950, 4582, 5000, 5800, 7250, 7900, 9164, 9875, 11455, 14500, 15800, 18125, 18328, 19750, 22910, 29000, 36250, 39500, 45820, 49375, 57275, 72500, 79000, 91640, 98750, 114550, 145000, 197500, 229100, 286375, 395000, 458200, 572750, 1145500, 1431875, 2291000, 2863750, 5727500, 11455000]

約数ペア:

[(1, 11455000), (2, 5727500), (4, 2863750), (5, 2291000), (8, 1431875), (10, 1145500), (20, 572750), (25, 458200), (29, 395000), (40, 286375), (50, 229100), (58, 197500), (79, 145000), (100, 114550), (116, 98750), (125, 91640), (145, 79000), (158, 72500), (200, 57275), (232, 49375), (250, 45820), (290, 39500), (316, 36250), (395, 29000), (500, 22910), (580, 19750), (625, 18328), (632, 18125), (725, 15800), (790, 14500), (1000, 11455), (1160, 9875), (1250, 9164), (1450, 7900), (1580, 7250), (1975, 5800), (2291, 5000), (2500, 4582), (2900, 3950), (3160, 3625)]