161799160

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{11657}}^1$

素因数の和:12015

約数の個数: 32

約数和(自身を含む): 365128560

約数和(自身を除く): 203329400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 11657, 13880, 23314, 46628, 58285, 93256, 116570, 233140, 466280, 4044979, 8089958, 16179916, 20224895, 32359832, 40449790, 80899580, 161799160]

約数ペア:

[(1, 161799160), (2, 80899580), (4, 40449790), (5, 32359832), (8, 20224895), (10, 16179916), (20, 8089958), (40, 4044979), (347, 466280), (694, 233140), (1388, 116570), (1735, 93256), (2776, 58285), (3470, 46628), (6940, 23314), (11657, 13880)]