48985840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 121867200

約数和(自身を除く): 72881360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 181, 199, 272, 340, 362, 398, 680, 724, 796, 905, 995, 1360, 1448, 1592, 1810, 1990, 2896, 3077, 3184, 3383, 3620, 3980, 6154, 6766, 7240, 7960, 12308, 13532, 14480, 15385, 15920, 16915, 24616, 27064, 30770, 33830, 36019, 49232, 54128, 61540, 67660, 72038, 123080, 135320, 144076, 180095, 246160, 270640, 288152, 360190, 576304, 612323, 720380, 1224646, 1440760, 2449292, 2881520, 3061615, 4898584, 6123230, 9797168, 12246460, 24492920, 48985840]

約数ペア:

[(1, 48985840), (2, 24492920), (4, 12246460), (5, 9797168), (8, 6123230), (10, 4898584), (16, 3061615), (17, 2881520), (20, 2449292), (34, 1440760), (40, 1224646), (68, 720380), (80, 612323), (85, 576304), (136, 360190), (170, 288152), (181, 270640), (199, 246160), (272, 180095), (340, 144076), (362, 135320), (398, 123080), (680, 72038), (724, 67660), (796, 61540), (905, 54128), (995, 49232), (1360, 36019), (1448, 33830), (1592, 30770), (1810, 27064), (1990, 24616), (2896, 16915), (3077, 15920), (3184, 15385), (3383, 14480), (3620, 13532), (3980, 12308), (6154, 7960), (6766, 7240)]