77484080

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1511}}^1$

素因数の和:2165

約数の個数: 40

約数和(自身を含む): 180550944

約数和(自身を除く): 103066864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 1511, 2564, 3022, 3205, 5128, 6044, 6410, 7555, 10256, 12088, 12820, 15110, 24176, 25640, 30220, 51280, 60440, 120880, 968551, 1937102, 3874204, 4842755, 7748408, 9685510, 15496816, 19371020, 38742040, 77484080]

約数ペア:

[(1, 77484080), (2, 38742040), (4, 19371020), (5, 15496816), (8, 9685510), (10, 7748408), (16, 4842755), (20, 3874204), (40, 1937102), (80, 968551), (641, 120880), (1282, 60440), (1511, 51280), (2564, 30220), (3022, 25640), (3205, 24176), (5128, 15110), (6044, 12820), (6410, 12088), (7555, 10256)]