84156620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47279}}^1$

素因数の和:47377

約数の個数: 24

約数和(自身を含む): 178718400

約数和(自身を除く): 94561780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 47279, 94558, 189116, 236395, 472790, 945580, 4207831, 8415662, 16831324, 21039155, 42078310, 84156620]

約数ペア:

[(1, 84156620), (2, 42078310), (4, 21039155), (5, 16831324), (10, 8415662), (20, 4207831), (89, 945580), (178, 472790), (356, 236395), (445, 189116), (890, 94558), (1780, 47279)]