64611250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 80

約数和(自身を含む): 136756224

約数和(自身を除く): 72144974

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 125, 127, 185, 250, 254, 275, 370, 407, 550, 625, 635, 814, 925, 1250, 1270, 1375, 1397, 1850, 2035, 2750, 2794, 3175, 4070, 4625, 4699, 6350, 6875, 6985, 9250, 9398, 10175, 13750, 13970, 15875, 20350, 23125, 23495, 31750, 34925, 46250, 46990, 50875, 51689, 69850, 79375, 101750, 103378, 117475, 158750, 174625, 234950, 254375, 258445, 349250, 508750, 516890, 587375, 873125, 1174750, 1292225, 1746250, 2584450, 2936875, 5873750, 6461125, 12922250, 32305625, 64611250]

約数ペア:

[(1, 64611250), (2, 32305625), (5, 12922250), (10, 6461125), (11, 5873750), (22, 2936875), (25, 2584450), (37, 1746250), (50, 1292225), (55, 1174750), (74, 873125), (110, 587375), (125, 516890), (127, 508750), (185, 349250), (250, 258445), (254, 254375), (275, 234950), (370, 174625), (407, 158750), (550, 117475), (625, 103378), (635, 101750), (814, 79375), (925, 69850), (1250, 51689), (1270, 50875), (1375, 46990), (1397, 46250), (1850, 34925), (2035, 31750), (2750, 23495), (2794, 23125), (3175, 20350), (4070, 15875), (4625, 13970), (4699, 13750), (6350, 10175), (6875, 9398), (6985, 9250)]