156723080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{30851}}^1$

素因数の和:30989

約数の個数: 32

約数和(自身を含む): 355415040

約数和(自身を除く): 198691960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 30851, 61702, 123404, 154255, 246808, 308510, 617020, 1234040, 3918077, 7836154, 15672308, 19590385, 31344616, 39180770, 78361540, 156723080]

約数ペア:

[(1, 156723080), (2, 78361540), (4, 39180770), (5, 31344616), (8, 19590385), (10, 15672308), (20, 7836154), (40, 3918077), (127, 1234040), (254, 617020), (508, 308510), (635, 246808), (1016, 154255), (1270, 123404), (2540, 61702), (5080, 30851)]