2051264920

素因数分解:

$2^3\times 5^1\times {\mathrm{6247}}^1\times {\mathrm{8209}}^1$

素因数の和:14467

約数の個数: 32

約数和(自身を含む): 4616647200

約数和(自身を除く): 2565382280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6247, 8209, 12494, 16418, 24988, 31235, 32836, 41045, 49976, 62470, 65672, 82090, 124940, 164180, 249880, 328360, 51281623, 102563246, 205126492, 256408115, 410252984, 512816230, 1025632460, 2051264920]

約数ペア:

[(1, 2051264920), (2, 1025632460), (4, 512816230), (5, 410252984), (8, 256408115), (10, 205126492), (20, 102563246), (40, 51281623), (6247, 328360), (8209, 249880), (12494, 164180), (16418, 124940), (24988, 82090), (31235, 65672), (32836, 62470), (41045, 49976)]