64665610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157721}}^1$

素因数の和:157769

約数の個数: 16

約数和(自身を含む): 119237832

約数和(自身を除く): 54572222

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 157721, 315442, 788605, 1577210, 6466561, 12933122, 32332805, 64665610]

約数ペア:

[(1, 64665610), (2, 32332805), (5, 12933122), (10, 6466561), (41, 1577210), (82, 788605), (205, 315442), (410, 157721)]