78057040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22691}}^1$

素因数の和:22747

約数の個数: 40

約数和(自身を含む): 185711328

約数和(自身を除く): 107654288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 22691, 45382, 90764, 113455, 181528, 226910, 363056, 453820, 907640, 975713, 1815280, 1951426, 3902852, 4878565, 7805704, 9757130, 15611408, 19514260, 39028520, 78057040]

約数ペア:

[(1, 78057040), (2, 39028520), (4, 19514260), (5, 15611408), (8, 9757130), (10, 7805704), (16, 4878565), (20, 3902852), (40, 1951426), (43, 1815280), (80, 975713), (86, 907640), (172, 453820), (215, 363056), (344, 226910), (430, 181528), (688, 113455), (860, 90764), (1720, 45382), (3440, 22691)]