2904693560

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{112237}}^1$

素因数の和:112895

約数の個数: 32

約数和(自身を含む): 6545720160

約数和(自身を除く): 3641026600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 12940, 25880, 112237, 224474, 448948, 561185, 897896, 1122370, 2244740, 4489480, 72617339, 145234678, 290469356, 363086695, 580938712, 726173390, 1452346780, 2904693560]

約数ペア:

[(1, 2904693560), (2, 1452346780), (4, 726173390), (5, 580938712), (8, 363086695), (10, 290469356), (20, 145234678), (40, 72617339), (647, 4489480), (1294, 2244740), (2588, 1122370), (3235, 897896), (5176, 561185), (6470, 448948), (12940, 224474), (25880, 112237)]