22217680

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1663}}^1$

素因数の和:1843

約数の個数: 40

約数和(自身を含む): 51996672

約数和(自身を除く): 29778992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1663, 1670, 2672, 3326, 3340, 6652, 6680, 8315, 13304, 13360, 16630, 26608, 33260, 66520, 133040, 277721, 555442, 1110884, 1388605, 2221768, 2777210, 4443536, 5554420, 11108840, 22217680]

約数ペア:

[(1, 22217680), (2, 11108840), (4, 5554420), (5, 4443536), (8, 2777210), (10, 2221768), (16, 1388605), (20, 1110884), (40, 555442), (80, 277721), (167, 133040), (334, 66520), (668, 33260), (835, 26608), (1336, 16630), (1663, 13360), (1670, 13304), (2672, 8315), (3326, 6680), (3340, 6652)]