19927500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2657}}^1$

素因数の和:2684

約数の個数: 60

約数和(自身を含む): 58125144

約数和(自身を除く): 38197644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2657, 3750, 5314, 7500, 7971, 10628, 13285, 15942, 26570, 31884, 39855, 53140, 66425, 79710, 132850, 159420, 199275, 265700, 332125, 398550, 664250, 797100, 996375, 1328500, 1660625, 1992750, 3321250, 3985500, 4981875, 6642500, 9963750, 19927500]

約数ペア:

[(1, 19927500), (2, 9963750), (3, 6642500), (4, 4981875), (5, 3985500), (6, 3321250), (10, 1992750), (12, 1660625), (15, 1328500), (20, 996375), (25, 797100), (30, 664250), (50, 398550), (60, 332125), (75, 265700), (100, 199275), (125, 159420), (150, 132850), (250, 79710), (300, 66425), (375, 53140), (500, 39855), (625, 31884), (750, 26570), (1250, 15942), (1500, 13285), (1875, 10628), (2500, 7971), (2657, 7500), (3750, 5314)]