25525840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^2$

素因数の和:304

約数の個数: 60

約数和(自身を含む): 63300636

約数和(自身を除く): 37774796

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 548, 680, 685, 1096, 1360, 1370, 2192, 2329, 2740, 4658, 5480, 9316, 10960, 11645, 18632, 18769, 23290, 37264, 37538, 46580, 75076, 93160, 93845, 150152, 186320, 187690, 300304, 319073, 375380, 638146, 750760, 1276292, 1501520, 1595365, 2552584, 3190730, 5105168, 6381460, 12762920, 25525840]

約数ペア:

[(1, 25525840), (2, 12762920), (4, 6381460), (5, 5105168), (8, 3190730), (10, 2552584), (16, 1595365), (17, 1501520), (20, 1276292), (34, 750760), (40, 638146), (68, 375380), (80, 319073), (85, 300304), (136, 187690), (137, 186320), (170, 150152), (272, 93845), (274, 93160), (340, 75076), (548, 46580), (680, 37538), (685, 37264), (1096, 23290), (1360, 18769), (1370, 18632), (2192, 11645), (2329, 10960), (2740, 9316), (4658, 5480)]