89428520

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{2621}}^1$

素因数の和:3485

約数の個数: 32

約数和(自身を含む): 201526920

約数和(自身を除く): 112098400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1706, 2621, 3412, 4265, 5242, 6824, 8530, 10484, 13105, 17060, 20968, 26210, 34120, 52420, 104840, 2235713, 4471426, 8942852, 11178565, 17885704, 22357130, 44714260, 89428520]

約数ペア:

[(1, 89428520), (2, 44714260), (4, 22357130), (5, 17885704), (8, 11178565), (10, 8942852), (20, 4471426), (40, 2235713), (853, 104840), (1706, 52420), (2621, 34120), (3412, 26210), (4265, 20968), (5242, 17060), (6824, 13105), (8530, 10484)]