69299240

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2621}}^1$

素因数の和:3293

約数の個数: 32

約数和(自身を含む): 156218760

約数和(自身を除く): 86919520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2621, 2644, 3305, 5242, 5288, 6610, 10484, 13105, 13220, 20968, 26210, 26440, 52420, 104840, 1732481, 3464962, 6929924, 8662405, 13859848, 17324810, 34649620, 69299240]

約数ペア:

[(1, 69299240), (2, 34649620), (4, 17324810), (5, 13859848), (8, 8662405), (10, 6929924), (20, 3464962), (40, 1732481), (661, 104840), (1322, 52420), (2621, 26440), (2644, 26210), (3305, 20968), (5242, 13220), (5288, 13105), (6610, 10484)]