80004470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87917}}^1$

素因数の和:87944

約数の個数: 32

約数和(自身を含む): 177242688

約数和(自身を除く): 97238218

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 87917, 175834, 439585, 615419, 879170, 1142921, 1230838, 2285842, 3077095, 5714605, 6154190, 8000447, 11429210, 16000894, 40002235, 80004470]

約数ペア:

[(1, 80004470), (2, 40002235), (5, 16000894), (7, 11429210), (10, 8000447), (13, 6154190), (14, 5714605), (26, 3077095), (35, 2285842), (65, 1230838), (70, 1142921), (91, 879170), (130, 615419), (182, 439585), (455, 175834), (910, 87917)]