25999225

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 39283200

約数和(自身を除く): 13283975

約数列:

[1, 5, 7, 25, 29, 35, 47, 109, 145, 175, 203, 235, 329, 545, 725, 763, 1015, 1175, 1363, 1645, 2725, 3161, 3815, 5075, 5123, 6815, 8225, 9541, 15805, 19075, 22127, 25615, 34075, 35861, 47705, 79025, 110635, 128075, 148567, 179305, 238525, 553175, 742835, 896525, 1039969, 3714175, 5199845, 25999225]

約数ペア:

[(1, 25999225), (5, 5199845), (7, 3714175), (25, 1039969), (29, 896525), (35, 742835), (47, 553175), (109, 238525), (145, 179305), (175, 148567), (203, 128075), (235, 110635), (329, 79025), (545, 47705), (725, 35861), (763, 34075), (1015, 25615), (1175, 22127), (1363, 19075), (1645, 15805), (2725, 9541), (3161, 8225), (3815, 6815), (5075, 5123)]