2116734680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{403957}}^1$

素因数の和:404099

約数の個数: 32

約数和(自身を含む): 4799021040

約数和(自身を除く): 2682286360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 403957, 807914, 1615828, 2019785, 3231656, 4039570, 8079140, 16158280, 52918367, 105836734, 211673468, 264591835, 423346936, 529183670, 1058367340, 2116734680]

約数ペア:

[(1, 2116734680), (2, 1058367340), (4, 529183670), (5, 423346936), (8, 264591835), (10, 211673468), (20, 105836734), (40, 52918367), (131, 16158280), (262, 8079140), (524, 4039570), (655, 3231656), (1048, 2019785), (1310, 1615828), (2620, 807914), (5240, 403957)]