87840190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1061}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 167914944

約数和(自身を除く): 80074754

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 487, 974, 1061, 2122, 2435, 4870, 5305, 8279, 10610, 16558, 18037, 36074, 41395, 82790, 90185, 180370, 516707, 1033414, 2583535, 5167070, 8784019, 17568038, 43920095, 87840190]

約数ペア:

[(1, 87840190), (2, 43920095), (5, 17568038), (10, 8784019), (17, 5167070), (34, 2583535), (85, 1033414), (170, 516707), (487, 180370), (974, 90185), (1061, 82790), (2122, 41395), (2435, 36074), (4870, 18037), (5305, 16558), (8279, 10610)]