8806840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 23016960

約数和(自身を除く): 14210120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 443, 497, 568, 710, 886, 994, 1420, 1772, 1988, 2215, 2485, 2840, 3101, 3544, 3976, 4430, 4970, 6202, 8860, 9940, 12404, 15505, 17720, 19880, 24808, 31010, 31453, 62020, 62906, 124040, 125812, 157265, 220171, 251624, 314530, 440342, 629060, 880684, 1100855, 1258120, 1761368, 2201710, 4403420, 8806840]

約数ペア:

[(1, 8806840), (2, 4403420), (4, 2201710), (5, 1761368), (7, 1258120), (8, 1100855), (10, 880684), (14, 629060), (20, 440342), (28, 314530), (35, 251624), (40, 220171), (56, 157265), (70, 125812), (71, 124040), (140, 62906), (142, 62020), (280, 31453), (284, 31010), (355, 24808), (443, 19880), (497, 17720), (568, 15505), (710, 12404), (886, 9940), (994, 8860), (1420, 6202), (1772, 4970), (1988, 4430), (2215, 3976), (2485, 3544), (2840, 3101)]