2900804560

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{109547}}^1$

素因数の和:109891

約数の個数: 40

約数和(自身を含む): 6764808096

約数和(自身を除く): 3864003536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 13240, 26480, 109547, 219094, 438188, 547735, 876376, 1095470, 1752752, 2190940, 4381880, 8763760, 36260057, 72520114, 145040228, 181300285, 290080456, 362600570, 580160912, 725201140, 1450402280, 2900804560]

約数ペア:

[(1, 2900804560), (2, 1450402280), (4, 725201140), (5, 580160912), (8, 362600570), (10, 290080456), (16, 181300285), (20, 145040228), (40, 72520114), (80, 36260057), (331, 8763760), (662, 4381880), (1324, 2190940), (1655, 1752752), (2648, 1095470), (3310, 876376), (5296, 547735), (6620, 438188), (13240, 219094), (26480, 109547)]