2123235080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1234439}}^1$

素因数の和:1234493

約数の個数: 32

約数和(自身を含む): 4888382400

約数和(自身を除く): 2765147320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1234439, 2468878, 4937756, 6172195, 9875512, 12344390, 24688780, 49377560, 53080877, 106161754, 212323508, 265404385, 424647016, 530808770, 1061617540, 2123235080]

約数ペア:

[(1, 2123235080), (2, 1061617540), (4, 530808770), (5, 424647016), (8, 265404385), (10, 212323508), (20, 106161754), (40, 53080877), (43, 49377560), (86, 24688780), (172, 12344390), (215, 9875512), (344, 6172195), (430, 4937756), (860, 2468878), (1720, 1234439)]