129278320

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4657}}^1$

素因数の和:5017

約数の個数: 40

約数和(自身を含む): 301503024

約数和(自身を除く): 172224704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2776, 3470, 4657, 5552, 6940, 9314, 13880, 18628, 23285, 27760, 37256, 46570, 74512, 93140, 186280, 372560, 1615979, 3231958, 6463916, 8079895, 12927832, 16159790, 25855664, 32319580, 64639160, 129278320]

約数ペア:

[(1, 129278320), (2, 64639160), (4, 32319580), (5, 25855664), (8, 16159790), (10, 12927832), (16, 8079895), (20, 6463916), (40, 3231958), (80, 1615979), (347, 372560), (694, 186280), (1388, 93140), (1735, 74512), (2776, 46570), (3470, 37256), (4657, 27760), (5552, 23285), (6940, 18628), (9314, 13880)]