28563560

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1549}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 64449000

約数和(自身を除く): 35885440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1549, 1844, 2305, 3098, 3688, 4610, 6196, 7745, 9220, 12392, 15490, 18440, 30980, 61960, 714089, 1428178, 2856356, 3570445, 5712712, 7140890, 14281780, 28563560]

約数ペア:

[(1, 28563560), (2, 14281780), (4, 7140890), (5, 5712712), (8, 3570445), (10, 2856356), (20, 1428178), (40, 714089), (461, 61960), (922, 30980), (1549, 18440), (1844, 15490), (2305, 12392), (3098, 9220), (3688, 7745), (4610, 6196)]