16404220120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{98041}}^1$

素因数の和:98188

約数の個数: 64

約数和(自身を含む): 38118729600

約数和(自身を除く): 21714509480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 188, 235, 356, 376, 445, 470, 712, 890, 940, 1780, 1880, 3560, 4183, 8366, 16732, 20915, 33464, 41830, 83660, 98041, 167320, 196082, 392164, 490205, 784328, 980410, 1960820, 3921640, 4607927, 8725649, 9215854, 17451298, 18431708, 23039635, 34902596, 36863416, 43628245, 46079270, 69805192, 87256490, 92158540, 174512980, 184317080, 349025960, 410105503, 820211006, 1640422012, 2050527515, 3280844024, 4101055030, 8202110060, 16404220120]

約数ペア:

[(1, 16404220120), (2, 8202110060), (4, 4101055030), (5, 3280844024), (8, 2050527515), (10, 1640422012), (20, 820211006), (40, 410105503), (47, 349025960), (89, 184317080), (94, 174512980), (178, 92158540), (188, 87256490), (235, 69805192), (356, 46079270), (376, 43628245), (445, 36863416), (470, 34902596), (712, 23039635), (890, 18431708), (940, 17451298), (1780, 9215854), (1880, 8725649), (3560, 4607927), (4183, 3921640), (8366, 1960820), (16732, 980410), (20915, 784328), (33464, 490205), (41830, 392164), (83660, 196082), (98041, 167320)]