16772860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 39174912

約数和(自身を除く): 22402052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2081, 4030, 4162, 8060, 8324, 10405, 20810, 27053, 41620, 54106, 64511, 108212, 129022, 135265, 258044, 270530, 322555, 541060, 645110, 838643, 1290220, 1677286, 3354572, 4193215, 8386430, 16772860]

約数ペア:

[(1, 16772860), (2, 8386430), (4, 4193215), (5, 3354572), (10, 1677286), (13, 1290220), (20, 838643), (26, 645110), (31, 541060), (52, 322555), (62, 270530), (65, 258044), (124, 135265), (130, 129022), (155, 108212), (260, 64511), (310, 54106), (403, 41620), (620, 27053), (806, 20810), (1612, 10405), (2015, 8324), (2081, 8060), (4030, 4162)]