20161392940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1\times {\mathrm{62687}}^1$

素因数の和:63946

約数の個数: 48

約数和(自身を含む): 45633353472

約数和(自身を除く): 25471960532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1237, 2474, 4948, 6185, 12370, 16081, 24740, 32162, 62687, 64324, 80405, 125374, 160810, 250748, 313435, 321620, 626870, 814931, 1253740, 1629862, 3259724, 4074655, 8149310, 16298620, 77543819, 155087638, 310175276, 387719095, 775438190, 1008069647, 1550876380, 2016139294, 4032278588, 5040348235, 10080696470, 20161392940]

約数ペア:

[(1, 20161392940), (2, 10080696470), (4, 5040348235), (5, 4032278588), (10, 2016139294), (13, 1550876380), (20, 1008069647), (26, 775438190), (52, 387719095), (65, 310175276), (130, 155087638), (260, 77543819), (1237, 16298620), (2474, 8149310), (4948, 4074655), (6185, 3259724), (12370, 1629862), (16081, 1253740), (24740, 814931), (32162, 626870), (62687, 321620), (64324, 313435), (80405, 250748), (125374, 160810)]