2021668125

素因数分解:

$3^1\times 5^4\times {\mathrm{139}}^1\times {\mathrm{7757}}^1$

素因数の和:7919

約数の個数: 40

約数和(自身を含む): 3393038880

約数和(自身を除く): 1371370755

約数列:

[1, 3, 5, 15, 25, 75, 125, 139, 375, 417, 625, 695, 1875, 2085, 3475, 7757, 10425, 17375, 23271, 38785, 52125, 86875, 116355, 193925, 260625, 581775, 969625, 1078223, 2908875, 3234669, 4848125, 5391115, 14544375, 16173345, 26955575, 80866725, 134777875, 404333625, 673889375, 2021668125]

約数ペア:

[(1, 2021668125), (3, 673889375), (5, 404333625), (15, 134777875), (25, 80866725), (75, 26955575), (125, 16173345), (139, 14544375), (375, 5391115), (417, 4848125), (625, 3234669), (695, 2908875), (1875, 1078223), (2085, 969625), (3475, 581775), (7757, 260625), (10425, 193925), (17375, 116355), (23271, 86875), (38785, 52125)]