218224840

素因数分解:

$2^3\times 5^1\times {\mathrm{5455621}}^1$

素因数の和:5455632

約数の個数: 16

約数和(自身を含む): 491005980

約数和(自身を除く): 272781140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5455621, 10911242, 21822484, 27278105, 43644968, 54556210, 109112420, 218224840]

約数ペア:

[(1, 218224840), (2, 109112420), (4, 54556210), (5, 43644968), (8, 27278105), (10, 21822484), (20, 10911242), (40, 5455621)]