82142500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 204684480

約数和(自身を除く): 122541980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 103, 110, 116, 125, 145, 206, 220, 250, 275, 290, 319, 412, 500, 515, 550, 580, 625, 638, 725, 1030, 1100, 1133, 1250, 1276, 1375, 1450, 1595, 2060, 2266, 2500, 2575, 2750, 2900, 2987, 3190, 3625, 4532, 5150, 5500, 5665, 5974, 6380, 6875, 7250, 7975, 10300, 11330, 11948, 12875, 13750, 14500, 14935, 15950, 18125, 22660, 25750, 27500, 28325, 29870, 31900, 32857, 36250, 39875, 51500, 56650, 59740, 64375, 65714, 72500, 74675, 79750, 113300, 128750, 131428, 141625, 149350, 159500, 164285, 199375, 257500, 283250, 298700, 328570, 373375, 398750, 566500, 657140, 708125, 746750, 797500, 821425, 1416250, 1493500, 1642850, 1866875, 2832500, 3285700, 3733750, 4107125, 7467500, 8214250, 16428500, 20535625, 41071250, 82142500]

約数ペア:

[(1, 82142500), (2, 41071250), (4, 20535625), (5, 16428500), (10, 8214250), (11, 7467500), (20, 4107125), (22, 3733750), (25, 3285700), (29, 2832500), (44, 1866875), (50, 1642850), (55, 1493500), (58, 1416250), (100, 821425), (103, 797500), (110, 746750), (116, 708125), (125, 657140), (145, 566500), (206, 398750), (220, 373375), (250, 328570), (275, 298700), (290, 283250), (319, 257500), (412, 199375), (500, 164285), (515, 159500), (550, 149350), (580, 141625), (625, 131428), (638, 128750), (725, 113300), (1030, 79750), (1100, 74675), (1133, 72500), (1250, 65714), (1276, 64375), (1375, 59740), (1450, 56650), (1595, 51500), (2060, 39875), (2266, 36250), (2500, 32857), (2575, 31900), (2750, 29870), (2900, 28325), (2987, 27500), (3190, 25750), (3625, 22660), (4532, 18125), (5150, 15950), (5500, 14935), (5665, 14500), (5974, 13750), (6380, 12875), (6875, 11948), (7250, 11330), (7975, 10300)]