89868920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42391}}^1$

素因数の和:42455

約数の個数: 32

約数和(自身を含む): 206025120

約数和(自身を除く): 116156200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 42391, 84782, 169564, 211955, 339128, 423910, 847820, 1695640, 2246723, 4493446, 8986892, 11233615, 17973784, 22467230, 44934460, 89868920]

約数ペア:

[(1, 89868920), (2, 44934460), (4, 22467230), (5, 17973784), (8, 11233615), (10, 8986892), (20, 4493446), (40, 2246723), (53, 1695640), (106, 847820), (212, 423910), (265, 339128), (424, 211955), (530, 169564), (1060, 84782), (2120, 42391)]