7800041.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1061}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 75469968

約数和(自身を除く): 36711638

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 1061, 1405, 2122, 2810, 3653, 5305, 7306, 10610, 13793, 18265, 27586, 36530, 68965, 137930, 298141, 596282, 1490705, 2981410, 3875833, 7751666, 19379165, 38758330]

約数ペア:

[(1, 38758330), (2, 19379165), (5, 7751666), (10, 3875833), (13, 2981410), (26, 1490705), (65, 596282), (130, 298141), (281, 137930), (562, 68965), (1061, 36530), (1405, 27586), (2122, 18265), (2810, 13793), (3653, 10610), (5305, 7306)]