80210375

素因数分解:

$5^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 119570880

約数和(自身を除く): 39360505

約数列:

[1, 5, 7, 25, 29, 35, 109, 125, 145, 175, 203, 545, 725, 763, 841, 875, 1015, 2725, 3161, 3625, 3815, 4205, 5075, 5887, 13625, 15805, 19075, 21025, 22127, 25375, 29435, 79025, 91669, 95375, 105125, 110635, 147175, 395125, 458345, 553175, 641683, 735875, 2291725, 2765875, 3208415, 11458625, 16042075, 80210375]

約数ペア:

[(1, 80210375), (5, 16042075), (7, 11458625), (25, 3208415), (29, 2765875), (35, 2291725), (109, 735875), (125, 641683), (145, 553175), (175, 458345), (203, 395125), (545, 147175), (725, 110635), (763, 105125), (841, 95375), (875, 91669), (1015, 79025), (2725, 29435), (3161, 25375), (3625, 22127), (3815, 21025), (4205, 19075), (5075, 15805), (5887, 13625)]