80807615

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{5407}}^1$

素因数の和:5487

約数の個数: 24

約数和(自身を含む): 114671232

約数和(自身を除く): 33863617

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 5407, 14945, 27035, 37849, 189245, 264943, 329827, 1324715, 1649135, 2308789, 11543945, 16161523, 80807615]

約数ペア:

[(1, 80807615), (5, 16161523), (7, 11543945), (35, 2308789), (49, 1649135), (61, 1324715), (245, 329827), (305, 264943), (427, 189245), (2135, 37849), (2989, 27035), (5407, 14945)]