78960820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{16519}}^1$

素因数の和:16767

約数の個数: 24

約数和(自身を含む): 166521600

約数和(自身を除く): 87560780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 16519, 33038, 66076, 82595, 165190, 330380, 3948041, 7896082, 15792164, 19740205, 39480410, 78960820]

約数ペア:

[(1, 78960820), (2, 39480410), (4, 19740205), (5, 15792164), (10, 7896082), (20, 3948041), (239, 330380), (478, 165190), (956, 82595), (1195, 66076), (2390, 33038), (4780, 16519)]