54413360

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1663}}^1$

素因数の和:2085

約数の個数: 40

約数和(自身を含む): 126896640

約数和(自身を除く): 72483280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 1663, 2045, 3272, 3326, 4090, 6544, 6652, 8180, 8315, 13304, 16360, 16630, 26608, 32720, 33260, 66520, 133040, 680167, 1360334, 2720668, 3400835, 5441336, 6801670, 10882672, 13603340, 27206680, 54413360]

約数ペア:

[(1, 54413360), (2, 27206680), (4, 13603340), (5, 10882672), (8, 6801670), (10, 5441336), (16, 3400835), (20, 2720668), (40, 1360334), (80, 680167), (409, 133040), (818, 66520), (1636, 33260), (1663, 32720), (2045, 26608), (3272, 16630), (3326, 16360), (4090, 13304), (6544, 8315), (6652, 8180)]