86916400

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1103}}^1$

素因数の和:1318

約数の個数: 60

約数和(自身を含む): 210066912

約数和(自身を除く): 123150512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1103, 1576, 1970, 2206, 3152, 3940, 4412, 4925, 5515, 7880, 8824, 9850, 11030, 15760, 17648, 19700, 22060, 27575, 39400, 44120, 55150, 78800, 88240, 110300, 217291, 220600, 434582, 441200, 869164, 1086455, 1738328, 2172910, 3476656, 4345820, 5432275, 8691640, 10864550, 17383280, 21729100, 43458200, 86916400]

約数ペア:

[(1, 86916400), (2, 43458200), (4, 21729100), (5, 17383280), (8, 10864550), (10, 8691640), (16, 5432275), (20, 4345820), (25, 3476656), (40, 2172910), (50, 1738328), (80, 1086455), (100, 869164), (197, 441200), (200, 434582), (394, 220600), (400, 217291), (788, 110300), (985, 88240), (1103, 78800), (1576, 55150), (1970, 44120), (2206, 39400), (3152, 27575), (3940, 22060), (4412, 19700), (4925, 17648), (5515, 15760), (7880, 11030), (8824, 9850)]