82781720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5011}}^1$

素因数の和:5088

約数の個数: 64

約数和(自身を含む): 216518400

約数和(自身を除く): 133736680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1652, 2065, 2360, 3304, 4130, 5011, 8260, 10022, 16520, 20044, 25055, 35077, 40088, 50110, 70154, 100220, 140308, 175385, 200440, 280616, 295649, 350770, 591298, 701540, 1182596, 1403080, 1478245, 2069543, 2365192, 2956490, 4139086, 5912980, 8278172, 10347715, 11825960, 16556344, 20695430, 41390860, 82781720]

約数ペア:

[(1, 82781720), (2, 41390860), (4, 20695430), (5, 16556344), (7, 11825960), (8, 10347715), (10, 8278172), (14, 5912980), (20, 4139086), (28, 2956490), (35, 2365192), (40, 2069543), (56, 1478245), (59, 1403080), (70, 1182596), (118, 701540), (140, 591298), (236, 350770), (280, 295649), (295, 280616), (413, 200440), (472, 175385), (590, 140308), (826, 100220), (1180, 70154), (1652, 50110), (2065, 40088), (2360, 35077), (3304, 25055), (4130, 20044), (5011, 16520), (8260, 10022)]