42804550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{9619}}^1$

素因数の和:9720

約数の個数: 24

約数和(自身を含む): 80519400

約数和(自身を除く): 37714850

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 9619, 19238, 48095, 96190, 240475, 480950, 856091, 1712182, 4280455, 8560910, 21402275, 42804550]

約数ペア:

[(1, 42804550), (2, 21402275), (5, 8560910), (10, 4280455), (25, 1712182), (50, 856091), (89, 480950), (178, 240475), (445, 96190), (890, 48095), (2225, 19238), (4450, 9619)]