85844840

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3853}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 193547880

約数和(自身を除く): 107703040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 3853, 4456, 5570, 7706, 11140, 15412, 19265, 22280, 30824, 38530, 77060, 154120, 2146121, 4292242, 8584484, 10730605, 17168968, 21461210, 42922420, 85844840]

約数ペア:

[(1, 85844840), (2, 42922420), (4, 21461210), (5, 17168968), (8, 10730605), (10, 8584484), (20, 4292242), (40, 2146121), (557, 154120), (1114, 77060), (2228, 38530), (2785, 30824), (3853, 22280), (4456, 19265), (5570, 15412), (7706, 11140)]