6486740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 14946960

約数和(自身を除く): 8460220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 409, 610, 793, 818, 1220, 1586, 1636, 2045, 3172, 3965, 4090, 5317, 7930, 8180, 10634, 15860, 21268, 24949, 26585, 49898, 53170, 99796, 106340, 124745, 249490, 324337, 498980, 648674, 1297348, 1621685, 3243370, 6486740]

約数ペア:

[(1, 6486740), (2, 3243370), (4, 1621685), (5, 1297348), (10, 648674), (13, 498980), (20, 324337), (26, 249490), (52, 124745), (61, 106340), (65, 99796), (122, 53170), (130, 49898), (244, 26585), (260, 24949), (305, 21268), (409, 15860), (610, 10634), (793, 8180), (818, 7930), (1220, 5317), (1586, 4090), (1636, 3965), (2045, 3172)]