215103640

素因数分解:

$2^3\times 5^1\times {\mathrm{5377591}}^1$

素因数の和:5377602

約数の個数: 16

約数和(自身を含む): 483983280

約数和(自身を除く): 268879640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5377591, 10755182, 21510364, 26887955, 43020728, 53775910, 107551820, 215103640]

約数ペア:

[(1, 215103640), (2, 107551820), (4, 53775910), (5, 43020728), (8, 26887955), (10, 21510364), (20, 10755182), (40, 5377591)]