40778530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4297}}^1$

素因数の和:4390

約数の個数: 32

約数和(自身を含む): 80149104

約数和(自身を除く): 39370574

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4297, 4745, 8594, 9490, 21485, 42970, 55861, 111722, 279305, 313681, 558610, 627362, 1568405, 3136810, 4077853, 8155706, 20389265, 40778530]

約数ペア:

[(1, 40778530), (2, 20389265), (5, 8155706), (10, 4077853), (13, 3136810), (26, 1568405), (65, 627362), (73, 558610), (130, 313681), (146, 279305), (365, 111722), (730, 55861), (949, 42970), (1898, 21485), (4297, 9490), (4745, 8594)]