219065720

素因数分解:

$2^3\times 5^1\times {\mathrm{2069}}^1\times {\mathrm{2647}}^1$

素因数の和:4727

約数の個数: 32

約数和(自身を含む): 493322400

約数和(自身を除く): 274256680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2069, 2647, 4138, 5294, 8276, 10345, 10588, 13235, 16552, 20690, 21176, 26470, 41380, 52940, 82760, 105880, 5476643, 10953286, 21906572, 27383215, 43813144, 54766430, 109532860, 219065720]

約数ペア:

[(1, 219065720), (2, 109532860), (4, 54766430), (5, 43813144), (8, 27383215), (10, 21906572), (20, 10953286), (40, 5476643), (2069, 105880), (2647, 82760), (4138, 52940), (5294, 41380), (8276, 26470), (10345, 21176), (10588, 20690), (13235, 16552)]