204986860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{60647}}^1$

素因数の和:60682

約数の個数: 36

約数和(自身を含む): 466140528

約数和(自身を除く): 261153668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 60647, 121294, 242588, 303235, 606470, 788411, 1212940, 1576822, 3153644, 3942055, 7884110, 10249343, 15768220, 20498686, 40997372, 51246715, 102493430, 204986860]

約数ペア:

[(1, 204986860), (2, 102493430), (4, 51246715), (5, 40997372), (10, 20498686), (13, 15768220), (20, 10249343), (26, 7884110), (52, 3942055), (65, 3153644), (130, 1576822), (169, 1212940), (260, 788411), (338, 606470), (676, 303235), (845, 242588), (1690, 121294), (3380, 60647)]