79161580

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{16561}}^1$

素因数の和:16809

約数の個数: 24

約数和(自身を含む): 166944960

約数和(自身を除く): 87783380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 16561, 33122, 66244, 82805, 165610, 331220, 3958079, 7916158, 15832316, 19790395, 39580790, 79161580]

約数ペア:

[(1, 79161580), (2, 39580790), (4, 19790395), (5, 15832316), (10, 7916158), (20, 3958079), (239, 331220), (478, 165610), (956, 82805), (1195, 66244), (2390, 33122), (4780, 16561)]