9968750

素因数分解:

$2^1\times 5^6\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 56

約数和(自身を含む): 21093480

約数和(自身を除く): 11124730

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 125, 145, 250, 275, 290, 319, 550, 625, 638, 725, 1250, 1375, 1450, 1595, 2750, 3125, 3190, 3625, 6250, 6875, 7250, 7975, 13750, 15625, 15950, 18125, 31250, 34375, 36250, 39875, 68750, 79750, 90625, 171875, 181250, 199375, 343750, 398750, 453125, 906250, 996875, 1993750, 4984375, 9968750]

約数ペア:

[(1, 9968750), (2, 4984375), (5, 1993750), (10, 996875), (11, 906250), (22, 453125), (25, 398750), (29, 343750), (50, 199375), (55, 181250), (58, 171875), (110, 90625), (125, 79750), (145, 68750), (250, 39875), (275, 36250), (290, 34375), (319, 31250), (550, 18125), (625, 15950), (638, 15625), (725, 13750), (1250, 7975), (1375, 7250), (1450, 6875), (1595, 6250), (2750, 3625), (3125, 3190)]