80864875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1$

素因数の和:7144

約数の個数: 32

約数和(自身を含む): 124225920

約数和(自身を除く): 43361045

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 875, 1625, 2275, 7109, 11375, 35545, 49763, 92417, 177725, 248815, 462085, 646919, 888625, 1244075, 2310425, 3234595, 6220375, 11552125, 16172975, 80864875]

約数ペア:

[(1, 80864875), (5, 16172975), (7, 11552125), (13, 6220375), (25, 3234595), (35, 2310425), (65, 1244075), (91, 888625), (125, 646919), (175, 462085), (325, 248815), (455, 177725), (875, 92417), (1625, 49763), (2275, 35545), (7109, 11375)]