74683640

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4703}}^1$

素因数の和:5111

約数の個数: 32

約数和(自身を含む): 168497280

約数和(自身を除く): 93813640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 4703, 7940, 9406, 15880, 18812, 23515, 37624, 47030, 94060, 188120, 1867091, 3734182, 7468364, 9335455, 14936728, 18670910, 37341820, 74683640]

約数ペア:

[(1, 74683640), (2, 37341820), (4, 18670910), (5, 14936728), (8, 9335455), (10, 7468364), (20, 3734182), (40, 1867091), (397, 188120), (794, 94060), (1588, 47030), (1985, 37624), (3176, 23515), (3970, 18812), (4703, 15880), (7940, 9406)]