20131878650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30972121}}^1$

素因数の和:30972146

約数の個数: 24

約数和(自身を含む): 40325702844

約数和(自身を除く): 20193824194

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30972121, 61944242, 154860605, 309721210, 402637573, 774303025, 805275146, 1548606050, 2013187865, 4026375730, 10065939325, 20131878650]

約数ペア:

[(1, 20131878650), (2, 10065939325), (5, 4026375730), (10, 2013187865), (13, 1548606050), (25, 805275146), (26, 774303025), (50, 402637573), (65, 309721210), (130, 154860605), (325, 61944242), (650, 30972121)]