25165725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 45747072

約数和(自身を除く): 20581347

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 159, 195, 265, 325, 487, 689, 795, 975, 1325, 1461, 2067, 2435, 3445, 3975, 6331, 7305, 10335, 12175, 17225, 18993, 25811, 31655, 36525, 51675, 77433, 94965, 129055, 158275, 335543, 387165, 474825, 645275, 1006629, 1677715, 1935825, 5033145, 8388575, 25165725]

約数ペア:

[(1, 25165725), (3, 8388575), (5, 5033145), (13, 1935825), (15, 1677715), (25, 1006629), (39, 645275), (53, 474825), (65, 387165), (75, 335543), (159, 158275), (195, 129055), (265, 94965), (325, 77433), (487, 51675), (689, 36525), (795, 31655), (975, 25811), (1325, 18993), (1461, 17225), (2067, 12175), (2435, 10335), (3445, 7305), (3975, 6331)]