12784075

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 16467696

約数和(自身を除く): 3683621

約数列:

[1, 5, 25, 61, 83, 101, 305, 415, 505, 1525, 2075, 2525, 5063, 6161, 8383, 25315, 30805, 41915, 126575, 154025, 209575, 511363, 2556815, 12784075]

約数ペア:

[(1, 12784075), (5, 2556815), (25, 511363), (61, 209575), (83, 154025), (101, 126575), (305, 41915), (415, 30805), (505, 25315), (1525, 8383), (2075, 6161), (2525, 5063)]