25020500

素因数分解:

$2^2\times 5^3\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 55159104

約数和(自身を除く): 30138604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 163, 250, 307, 326, 500, 614, 652, 815, 1228, 1535, 1630, 3070, 3260, 4075, 6140, 7675, 8150, 15350, 16300, 20375, 30700, 38375, 40750, 50041, 76750, 81500, 100082, 153500, 200164, 250205, 500410, 1000820, 1251025, 2502050, 5004100, 6255125, 12510250, 25020500]

約数ペア:

[(1, 25020500), (2, 12510250), (4, 6255125), (5, 5004100), (10, 2502050), (20, 1251025), (25, 1000820), (50, 500410), (100, 250205), (125, 200164), (163, 153500), (250, 100082), (307, 81500), (326, 76750), (500, 50041), (614, 40750), (652, 38375), (815, 30700), (1228, 20375), (1535, 16300), (1630, 15350), (3070, 8150), (3260, 7675), (4075, 6140)]