91991780

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21799}}^1$

素因数の和:22019

約数の個数: 24

約数和(自身を含む): 194107200

約数和(自身を除く): 102115420

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 21799, 43598, 87196, 108995, 217990, 435980, 4599589, 9199178, 18398356, 22997945, 45995890, 91991780]

約数ペア:

[(1, 91991780), (2, 45995890), (4, 22997945), (5, 18398356), (10, 9199178), (20, 4599589), (211, 435980), (422, 217990), (844, 108995), (1055, 87196), (2110, 43598), (4220, 21799)]