168249640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{24889}}^1$

素因数の和:24926

約数の個数: 48

約数和(自身を含む): 409938300

約数和(自身を除く): 241688660

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 24889, 49778, 99556, 124445, 199112, 248890, 323557, 497780, 647114, 995560, 1294228, 1617785, 2588456, 3235570, 4206241, 6471140, 8412482, 12942280, 16824964, 21031205, 33649928, 42062410, 84124820, 168249640]

約数ペア:

[(1, 168249640), (2, 84124820), (4, 42062410), (5, 33649928), (8, 21031205), (10, 16824964), (13, 12942280), (20, 8412482), (26, 6471140), (40, 4206241), (52, 3235570), (65, 2588456), (104, 1617785), (130, 1294228), (169, 995560), (260, 647114), (338, 497780), (520, 323557), (676, 248890), (845, 199112), (1352, 124445), (1690, 99556), (3380, 49778), (6760, 24889)]