42859240

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1621}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 96638760

約数和(自身を除く): 53779520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 1621, 2644, 3242, 3305, 5288, 6484, 6610, 8105, 12968, 13220, 16210, 26440, 32420, 64840, 1071481, 2142962, 4285924, 5357405, 8571848, 10714810, 21429620, 42859240]

約数ペア:

[(1, 42859240), (2, 21429620), (4, 10714810), (5, 8571848), (8, 5357405), (10, 4285924), (20, 2142962), (40, 1071481), (661, 64840), (1322, 32420), (1621, 26440), (2644, 16210), (3242, 13220), (3305, 12968), (5288, 8105), (6484, 6610)]