89385320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131449}}^1$

素因数の和:131477

約数の個数: 32

約数和(自身を含む): 212949000

約数和(自身を除く): 123563680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 131449, 262898, 525796, 657245, 1051592, 1314490, 2234633, 2628980, 4469266, 5257960, 8938532, 11173165, 17877064, 22346330, 44692660, 89385320]

約数ペア:

[(1, 89385320), (2, 44692660), (4, 22346330), (5, 17877064), (8, 11173165), (10, 8938532), (17, 5257960), (20, 4469266), (34, 2628980), (40, 2234633), (68, 1314490), (85, 1051592), (136, 657245), (170, 525796), (340, 262898), (680, 131449)]