82508720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:858

約数の個数: 80

約数和(自身を含む): 220485888

約数和(自身を除く): 137977168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 502, 560, 587, 1004, 1174, 1255, 1757, 2008, 2348, 2510, 2935, 3514, 4016, 4109, 4696, 5020, 5870, 7028, 8218, 8785, 9392, 10040, 11740, 14056, 16436, 17570, 20080, 20545, 23480, 28112, 32872, 35140, 41090, 46960, 65744, 70280, 82180, 140560, 147337, 164360, 294674, 328720, 589348, 736685, 1031359, 1178696, 1473370, 2062718, 2357392, 2946740, 4125436, 5156795, 5893480, 8250872, 10313590, 11786960, 16501744, 20627180, 41254360, 82508720]

約数ペア:

[(1, 82508720), (2, 41254360), (4, 20627180), (5, 16501744), (7, 11786960), (8, 10313590), (10, 8250872), (14, 5893480), (16, 5156795), (20, 4125436), (28, 2946740), (35, 2357392), (40, 2062718), (56, 1473370), (70, 1178696), (80, 1031359), (112, 736685), (140, 589348), (251, 328720), (280, 294674), (502, 164360), (560, 147337), (587, 140560), (1004, 82180), (1174, 70280), (1255, 65744), (1757, 46960), (2008, 41090), (2348, 35140), (2510, 32872), (2935, 28112), (3514, 23480), (4016, 20545), (4109, 20080), (4696, 17570), (5020, 16436), (5870, 14056), (7028, 11740), (8218, 10040), (8785, 9392)]