2168140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2912180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 269, 310, 403, 538, 620, 806, 1076, 1345, 1612, 2015, 2690, 3497, 4030, 5380, 6994, 8060, 8339, 13988, 16678, 17485, 33356, 34970, 41695, 69940, 83390, 108407, 166780, 216814, 433628, 542035, 1084070, 2168140]

約数ペア:

[(1, 2168140), (2, 1084070), (4, 542035), (5, 433628), (10, 216814), (13, 166780), (20, 108407), (26, 83390), (31, 69940), (52, 41695), (62, 34970), (65, 33356), (124, 17485), (130, 16678), (155, 13988), (260, 8339), (269, 8060), (310, 6994), (403, 5380), (538, 4030), (620, 3497), (806, 2690), (1076, 2015), (1345, 1612)]