91257880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{325921}}^1$

素因数の和:325939

約数の個数: 32

約数和(自身を含む): 234663840

約数和(自身を除く): 143405960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 325921, 651842, 1303684, 1629605, 2281447, 2607368, 3259210, 4562894, 6518420, 9125788, 11407235, 13036840, 18251576, 22814470, 45628940, 91257880]

約数ペア:

[(1, 91257880), (2, 45628940), (4, 22814470), (5, 18251576), (7, 13036840), (8, 11407235), (10, 9125788), (14, 6518420), (20, 4562894), (28, 3259210), (35, 2607368), (40, 2281447), (56, 1629605), (70, 1303684), (140, 651842), (280, 325921)]