51130820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{196657}}^1$

素因数の和:196679

約数の個数: 24

約数和(自身を含む): 115634904

約数和(自身を除く): 64504084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 196657, 393314, 786628, 983285, 1966570, 2556541, 3933140, 5113082, 10226164, 12782705, 25565410, 51130820]

約数ペア:

[(1, 51130820), (2, 25565410), (4, 12782705), (5, 10226164), (10, 5113082), (13, 3933140), (20, 2556541), (26, 1966570), (52, 983285), (65, 786628), (130, 393314), (260, 196657)]