25876630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6421}}^1$

素因数の和:6472

約数の個数: 32

約数和(自身を含む): 51787008

約数和(自身を除く): 25910378

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6421, 12842, 32105, 64210, 83473, 166946, 199051, 398102, 417365, 834730, 995255, 1990510, 2587663, 5175326, 12938315, 25876630]

約数ペア:

[(1, 25876630), (2, 12938315), (5, 5175326), (10, 2587663), (13, 1990510), (26, 995255), (31, 834730), (62, 417365), (65, 398102), (130, 199051), (155, 166946), (310, 83473), (403, 64210), (806, 32105), (2015, 12842), (4030, 6421)]