25028900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1481}}^1$

素因数の和:1521

約数の個数: 54

約数和(自身を含む): 58851702

約数和(自身を除く): 33822802

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1481, 1690, 2962, 3380, 4225, 5924, 7405, 8450, 14810, 16900, 19253, 29620, 37025, 38506, 74050, 77012, 96265, 148100, 192530, 250289, 385060, 481325, 500578, 962650, 1001156, 1251445, 1925300, 2502890, 5005780, 6257225, 12514450, 25028900]

約数ペア:

[(1, 25028900), (2, 12514450), (4, 6257225), (5, 5005780), (10, 2502890), (13, 1925300), (20, 1251445), (25, 1001156), (26, 962650), (50, 500578), (52, 481325), (65, 385060), (100, 250289), (130, 192530), (169, 148100), (260, 96265), (325, 77012), (338, 74050), (650, 38506), (676, 37025), (845, 29620), (1300, 19253), (1481, 16900), (1690, 14810), (2962, 8450), (3380, 7405), (4225, 5924)]