84138680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16057}}^1$

素因数の和:16199

約数の個数: 32

約数和(自身を含む): 190769040

約数和(自身を除く): 106630360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 16057, 32114, 64228, 80285, 128456, 160570, 321140, 642280, 2103467, 4206934, 8413868, 10517335, 16827736, 21034670, 42069340, 84138680]

約数ペア:

[(1, 84138680), (2, 42069340), (4, 21034670), (5, 16827736), (8, 10517335), (10, 8413868), (20, 4206934), (40, 2103467), (131, 642280), (262, 321140), (524, 160570), (655, 128456), (1048, 80285), (1310, 64228), (2620, 32114), (5240, 16057)]