85872820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5347}}^1$

素因数の和:5440

約数の個数: 48

約数和(自身を含む): 199459008

約数和(自身を除く): 113586188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 5347, 8030, 10694, 16060, 21388, 26735, 53470, 58817, 106940, 117634, 235268, 294085, 390331, 588170, 780662, 1176340, 1561324, 1951655, 3903310, 4293641, 7806620, 8587282, 17174564, 21468205, 42936410, 85872820]

約数ペア:

[(1, 85872820), (2, 42936410), (4, 21468205), (5, 17174564), (10, 8587282), (11, 7806620), (20, 4293641), (22, 3903310), (44, 1951655), (55, 1561324), (73, 1176340), (110, 780662), (146, 588170), (220, 390331), (292, 294085), (365, 235268), (730, 117634), (803, 106940), (1460, 58817), (1606, 53470), (3212, 26735), (4015, 21388), (5347, 16060), (8030, 10694)]