89685880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131891}}^1$

素因数の和:131919

約数の個数: 32

約数和(自身を含む): 213665040

約数和(自身を除く): 123979160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 131891, 263782, 527564, 659455, 1055128, 1318910, 2242147, 2637820, 4484294, 5275640, 8968588, 11210735, 17937176, 22421470, 44842940, 89685880]

約数ペア:

[(1, 89685880), (2, 44842940), (4, 22421470), (5, 17937176), (8, 11210735), (10, 8968588), (17, 5275640), (20, 4484294), (34, 2637820), (40, 2242147), (68, 1318910), (85, 1055128), (136, 659455), (170, 527564), (340, 263782), (680, 131891)]