87199760

素因数分解:

$2^4\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1151}}^1$

素因数の和:2111

約数の個数: 40

約数和(自身を含む): 203129856

約数和(自身を除く): 115930096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 947, 1151, 1894, 2302, 3788, 4604, 4735, 5755, 7576, 9208, 9470, 11510, 15152, 18416, 18940, 23020, 37880, 46040, 75760, 92080, 1089997, 2179994, 4359988, 5449985, 8719976, 10899970, 17439952, 21799940, 43599880, 87199760]

約数ペア:

[(1, 87199760), (2, 43599880), (4, 21799940), (5, 17439952), (8, 10899970), (10, 8719976), (16, 5449985), (20, 4359988), (40, 2179994), (80, 1089997), (947, 92080), (1151, 75760), (1894, 46040), (2302, 37880), (3788, 23020), (4604, 18940), (4735, 18416), (5755, 15152), (7576, 11510), (9208, 9470)]