25640615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 16937305

約数列:

[1, 5, 7, 11, 13, 35, 47, 55, 65, 77, 91, 109, 143, 235, 329, 385, 455, 517, 545, 611, 715, 763, 1001, 1199, 1417, 1645, 2585, 3055, 3619, 3815, 4277, 5005, 5123, 5995, 6721, 7085, 8393, 9919, 15587, 18095, 21385, 25615, 33605, 35861, 41965, 47047, 49595, 56353, 66599, 77935, 109109, 179305, 235235, 281765, 332995, 394471, 466193, 545545, 732589, 1972355, 2330965, 3662945, 5128123, 25640615]

約数ペア:

[(1, 25640615), (5, 5128123), (7, 3662945), (11, 2330965), (13, 1972355), (35, 732589), (47, 545545), (55, 466193), (65, 394471), (77, 332995), (91, 281765), (109, 235235), (143, 179305), (235, 109109), (329, 77935), (385, 66599), (455, 56353), (517, 49595), (545, 47047), (611, 41965), (715, 35861), (763, 33605), (1001, 25615), (1199, 21385), (1417, 18095), (1645, 15587), (2585, 9919), (3055, 8393), (3619, 7085), (3815, 6721), (4277, 5995), (5005, 5123)]