26511940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2117

約数の個数: 72

約数和(自身を含む): 69780312

約数和(自身を除く): 43268372

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2081, 2548, 3185, 4162, 6370, 8324, 10405, 12740, 14567, 20810, 27053, 29134, 41620, 54106, 58268, 72835, 101969, 108212, 135265, 145670, 189371, 203938, 270530, 291340, 378742, 407876, 509845, 541060, 757484, 946855, 1019690, 1325597, 1893710, 2039380, 2651194, 3787420, 5302388, 6627985, 13255970, 26511940]

約数ペア:

[(1, 26511940), (2, 13255970), (4, 6627985), (5, 5302388), (7, 3787420), (10, 2651194), (13, 2039380), (14, 1893710), (20, 1325597), (26, 1019690), (28, 946855), (35, 757484), (49, 541060), (52, 509845), (65, 407876), (70, 378742), (91, 291340), (98, 270530), (130, 203938), (140, 189371), (182, 145670), (196, 135265), (245, 108212), (260, 101969), (364, 72835), (455, 58268), (490, 54106), (637, 41620), (910, 29134), (980, 27053), (1274, 20810), (1820, 14567), (2081, 12740), (2548, 10405), (3185, 8324), (4162, 6370)]