42965260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 97697376

約数和(自身を除く): 54732116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 643, 1028, 1285, 1286, 2570, 2572, 3215, 3341, 5140, 6430, 6682, 8359, 12860, 13364, 16705, 16718, 33410, 33436, 41795, 66820, 83590, 165251, 167180, 330502, 661004, 826255, 1652510, 2148263, 3305020, 4296526, 8593052, 10741315, 21482630, 42965260]

約数ペア:

[(1, 42965260), (2, 21482630), (4, 10741315), (5, 8593052), (10, 4296526), (13, 3305020), (20, 2148263), (26, 1652510), (52, 826255), (65, 661004), (130, 330502), (257, 167180), (260, 165251), (514, 83590), (643, 66820), (1028, 41795), (1285, 33436), (1286, 33410), (2570, 16718), (2572, 16705), (3215, 13364), (3341, 12860), (5140, 8359), (6430, 6682)]