4995560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 11404800

約数和(自身を除く): 6409240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1759, 2840, 3518, 7036, 8795, 14072, 17590, 35180, 70360, 124889, 249778, 499556, 624445, 999112, 1248890, 2497780, 4995560]

約数ペア:

[(1, 4995560), (2, 2497780), (4, 1248890), (5, 999112), (8, 624445), (10, 499556), (20, 249778), (40, 124889), (71, 70360), (142, 35180), (284, 17590), (355, 14072), (568, 8795), (710, 7036), (1420, 3518), (1759, 2840)]