80917025

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 123742080

約数和(自身を除く): 42825055

約数列:

[1, 5, 7, 17, 25, 35, 59, 85, 119, 175, 295, 413, 425, 461, 595, 1003, 1475, 2065, 2305, 2975, 3227, 5015, 7021, 7837, 10325, 11525, 16135, 25075, 27199, 35105, 39185, 54859, 80675, 135995, 175525, 190393, 195925, 274295, 462383, 679975, 951965, 1371475, 2311915, 3236681, 4759825, 11559575, 16183405, 80917025]

約数ペア:

[(1, 80917025), (5, 16183405), (7, 11559575), (17, 4759825), (25, 3236681), (35, 2311915), (59, 1371475), (85, 951965), (119, 679975), (175, 462383), (295, 274295), (413, 195925), (425, 190393), (461, 175525), (595, 135995), (1003, 80675), (1475, 54859), (2065, 39185), (2305, 35105), (2975, 27199), (3227, 25075), (5015, 16135), (7021, 11525), (7837, 10325)]