256501480

素因数分解:

$2^3\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{6113}}^1$

素因数の和:7173

約数の個数: 32

約数和(自身を含む): 577773000

約数和(自身を除く): 321271520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1049, 2098, 4196, 5245, 6113, 8392, 10490, 12226, 20980, 24452, 30565, 41960, 48904, 61130, 122260, 244520, 6412537, 12825074, 25650148, 32062685, 51300296, 64125370, 128250740, 256501480]

約数ペア:

[(1, 256501480), (2, 128250740), (4, 64125370), (5, 51300296), (8, 32062685), (10, 25650148), (20, 12825074), (40, 6412537), (1049, 244520), (2098, 122260), (4196, 61130), (5245, 48904), (6113, 41960), (8392, 30565), (10490, 24452), (12226, 20980)]