67138640

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3191}}^1$

素因数の和:3467

約数の個数: 40

約数和(自身を含む): 156739968

約数和(自身を除く): 89601328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3191, 4208, 5260, 6382, 10520, 12764, 15955, 21040, 25528, 31910, 51056, 63820, 127640, 255280, 839233, 1678466, 3356932, 4196165, 6713864, 8392330, 13427728, 16784660, 33569320, 67138640]

約数ペア:

[(1, 67138640), (2, 33569320), (4, 16784660), (5, 13427728), (8, 8392330), (10, 6713864), (16, 4196165), (20, 3356932), (40, 1678466), (80, 839233), (263, 255280), (526, 127640), (1052, 63820), (1315, 51056), (2104, 31910), (2630, 25528), (3191, 21040), (4208, 15955), (5260, 12764), (6382, 10520)]