20124881500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{733}}^1\times {\mathrm{1277}}^1$

素因数の和:2072

約数の個数: 96

約数和(自身を含む): 45071522496

約数和(自身を除く): 24946640996

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 733, 860, 1075, 1277, 1466, 2150, 2554, 2932, 3665, 4300, 5108, 5375, 6385, 7330, 10750, 12770, 14660, 18325, 21500, 25540, 31519, 31925, 36650, 54911, 63038, 63850, 73300, 91625, 109822, 126076, 127700, 157595, 159625, 183250, 219644, 274555, 315190, 319250, 366500, 549110, 630380, 638500, 787975, 936041, 1098220, 1372775, 1575950, 1872082, 2745550, 3151900, 3744164, 3939875, 4680205, 5491100, 6863875, 7879750, 9360410, 13727750, 15759500, 18720820, 23401025, 27455500, 40249763, 46802050, 80499526, 93604100, 117005125, 160999052, 201248815, 234010250, 402497630, 468020500, 804995260, 1006244075, 2012488150, 4024976300, 5031220375, 10062440750, 20124881500]

約数ペア:

[(1, 20124881500), (2, 10062440750), (4, 5031220375), (5, 4024976300), (10, 2012488150), (20, 1006244075), (25, 804995260), (43, 468020500), (50, 402497630), (86, 234010250), (100, 201248815), (125, 160999052), (172, 117005125), (215, 93604100), (250, 80499526), (430, 46802050), (500, 40249763), (733, 27455500), (860, 23401025), (1075, 18720820), (1277, 15759500), (1466, 13727750), (2150, 9360410), (2554, 7879750), (2932, 6863875), (3665, 5491100), (4300, 4680205), (5108, 3939875), (5375, 3744164), (6385, 3151900), (7330, 2745550), (10750, 1872082), (12770, 1575950), (14660, 1372775), (18325, 1098220), (21500, 936041), (25540, 787975), (31519, 638500), (31925, 630380), (36650, 549110), (54911, 366500), (63038, 319250), (63850, 315190), (73300, 274555), (91625, 219644), (109822, 183250), (126076, 159625), (127700, 157595)]