53807780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206953}}^1$

素因数の和:206975

約数の個数: 24

約数和(自身を含む): 121688952

約数和(自身を除く): 67881172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 206953, 413906, 827812, 1034765, 2069530, 2690389, 4139060, 5380778, 10761556, 13451945, 26903890, 53807780]

約数ペア:

[(1, 53807780), (2, 26903890), (4, 13451945), (5, 10761556), (10, 5380778), (13, 4139060), (20, 2690389), (26, 2069530), (52, 1034765), (65, 827812), (130, 413906), (260, 206953)]