20167530625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{14741}}^1$

素因数の和:14971

約数の個数: 40

約数和(自身を含む): 27632404800

約数和(自身を除く): 7464874175

約数列:

[1, 5, 11, 25, 55, 125, 199, 275, 625, 995, 1375, 2189, 4975, 6875, 10945, 14741, 24875, 54725, 73705, 124375, 162151, 273625, 368525, 810755, 1368125, 1842625, 2933459, 4053775, 9213125, 14667295, 20268875, 32268049, 73336475, 101344375, 161340245, 366682375, 806701225, 1833411875, 4033506125, 20167530625]

約数ペア:

[(1, 20167530625), (5, 4033506125), (11, 1833411875), (25, 806701225), (55, 366682375), (125, 161340245), (199, 101344375), (275, 73336475), (625, 32268049), (995, 20268875), (1375, 14667295), (2189, 9213125), (4975, 4053775), (6875, 2933459), (10945, 1842625), (14741, 1368125), (24875, 810755), (54725, 368525), (73705, 273625), (124375, 162151)]