1118960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 2651616

約数和(自身を除く): 1532656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 197, 284, 355, 394, 568, 710, 788, 985, 1136, 1420, 1576, 1970, 2840, 3152, 3940, 5680, 7880, 13987, 15760, 27974, 55948, 69935, 111896, 139870, 223792, 279740, 559480, 1118960]

約数ペア:

[(1, 1118960), (2, 559480), (4, 279740), (5, 223792), (8, 139870), (10, 111896), (16, 69935), (20, 55948), (40, 27974), (71, 15760), (80, 13987), (142, 7880), (197, 5680), (284, 3940), (355, 3152), (394, 2840), (568, 1970), (710, 1576), (788, 1420), (985, 1136)]