205127567980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{218220817}}^1$

素因数の和:218220873

約数の個数: 24

約数和(自身を含む): 439933169088

約数和(自身を除く): 234805601108

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 218220817, 436441634, 872883268, 1091104085, 2182208170, 4364416340, 10256378399, 20512756798, 41025513596, 51281891995, 102563783990, 205127567980]

約数ペア:

[(1, 205127567980), (2, 102563783990), (4, 51281891995), (5, 41025513596), (10, 20512756798), (20, 10256378399), (47, 4364416340), (94, 2182208170), (188, 1091104085), (235, 872883268), (470, 436441634), (940, 218220817)]