2051240680

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{268487}}^1$

素因数の和:268689

約数の個数: 32

約数和(自身を含む): 4639472640

約数和(自身を除く): 2588231960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 268487, 536974, 1073948, 1342435, 2147896, 2684870, 5369740, 10739480, 51281017, 102562034, 205124068, 256405085, 410248136, 512810170, 1025620340, 2051240680]

約数ペア:

[(1, 2051240680), (2, 1025620340), (4, 512810170), (5, 410248136), (8, 256405085), (10, 205124068), (20, 102562034), (40, 51281017), (191, 10739480), (382, 5369740), (764, 2684870), (955, 2147896), (1528, 1342435), (1910, 1073948), (3820, 536974), (7640, 268487)]