51129680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91303}}^1$

素因数の和:91323

約数の個数: 40

約数和(自身を含む): 135860352

約数和(自身を除く): 84730672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91303, 182606, 365212, 456515, 639121, 730424, 913030, 1278242, 1460848, 1826060, 2556484, 3195605, 3652120, 5112968, 6391210, 7304240, 10225936, 12782420, 25564840, 51129680]

約数ペア:

[(1, 51129680), (2, 25564840), (4, 12782420), (5, 10225936), (7, 7304240), (8, 6391210), (10, 5112968), (14, 3652120), (16, 3195605), (20, 2556484), (28, 1826060), (35, 1460848), (40, 1278242), (56, 913030), (70, 730424), (80, 639121), (112, 456515), (140, 365212), (280, 182606), (560, 91303)]