8669375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 12858384

約数和(自身を除く): 4189009

約数列:

[1, 5, 11, 13, 25, 55, 65, 97, 125, 143, 275, 325, 485, 625, 715, 1067, 1261, 1375, 1625, 2425, 3575, 5335, 6305, 6875, 8125, 12125, 13871, 17875, 26675, 31525, 60625, 69355, 89375, 133375, 157625, 346775, 666875, 788125, 1733875, 8669375]

約数ペア:

[(1, 8669375), (5, 1733875), (11, 788125), (13, 666875), (25, 346775), (55, 157625), (65, 133375), (97, 89375), (125, 69355), (143, 60625), (275, 31525), (325, 26675), (485, 17875), (625, 13871), (715, 12125), (1067, 8125), (1261, 6875), (1375, 6305), (1625, 5335), (2425, 3575)]