86877680

素因数分解:

$2^4\times 5^1\times {\mathrm{1085971}}^1$

素因数の和:1085984

約数の個数: 20

約数和(自身を含む): 201990792

約数和(自身を除く): 115113112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1085971, 2171942, 4343884, 5429855, 8687768, 10859710, 17375536, 21719420, 43438840, 86877680]

約数ペア:

[(1, 86877680), (2, 43438840), (4, 21719420), (5, 17375536), (8, 10859710), (10, 8687768), (16, 5429855), (20, 4343884), (40, 2171942), (80, 1085971)]