25605190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 50727600

約数和(自身を除く): 25122410

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 139, 169, 218, 278, 338, 545, 695, 845, 1090, 1390, 1417, 1690, 1807, 2834, 3614, 7085, 9035, 14170, 15151, 18070, 18421, 23491, 30302, 36842, 46982, 75755, 92105, 117455, 151510, 184210, 196963, 234910, 393926, 984815, 1969630, 2560519, 5121038, 12802595, 25605190]

約数ペア:

[(1, 25605190), (2, 12802595), (5, 5121038), (10, 2560519), (13, 1969630), (26, 984815), (65, 393926), (109, 234910), (130, 196963), (139, 184210), (169, 151510), (218, 117455), (278, 92105), (338, 75755), (545, 46982), (695, 36842), (845, 30302), (1090, 23491), (1390, 18421), (1417, 18070), (1690, 15151), (1807, 14170), (2834, 9035), (3614, 7085)]