31313620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4153}}^1$

素因数の和:4204

約数の個数: 48

約数和(自身を含む): 73276560

約数和(自身を除く): 41962940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 4153, 7540, 8306, 16612, 20765, 41530, 53989, 83060, 107978, 120437, 215956, 240874, 269945, 481748, 539890, 602185, 1079780, 1204370, 1565681, 2408740, 3131362, 6262724, 7828405, 15656810, 31313620]

約数ペア:

[(1, 31313620), (2, 15656810), (4, 7828405), (5, 6262724), (10, 3131362), (13, 2408740), (20, 1565681), (26, 1204370), (29, 1079780), (52, 602185), (58, 539890), (65, 481748), (116, 269945), (130, 240874), (145, 215956), (260, 120437), (290, 107978), (377, 83060), (580, 53989), (754, 41530), (1508, 20765), (1885, 16612), (3770, 8306), (4153, 7540)]