78536240

素因数分解:

$2^4\times 5^1\times {\mathrm{981703}}^1$

素因数の和:981716

約数の個数: 20

約数和(自身を含む): 182596944

約数和(自身を除く): 104060704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 981703, 1963406, 3926812, 4908515, 7853624, 9817030, 15707248, 19634060, 39268120, 78536240]

約数ペア:

[(1, 78536240), (2, 39268120), (4, 19634060), (5, 15707248), (8, 9817030), (10, 7853624), (16, 4908515), (20, 3926812), (40, 1963406), (80, 981703)]