51343760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49369}}^1$

素因数の和:49395

約数の個数: 40

約数和(自身を含む): 128559480

約数和(自身を除く): 77215720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49369, 98738, 197476, 246845, 394952, 493690, 641797, 789904, 987380, 1283594, 1974760, 2567188, 3208985, 3949520, 5134376, 6417970, 10268752, 12835940, 25671880, 51343760]

約数ペア:

[(1, 51343760), (2, 25671880), (4, 12835940), (5, 10268752), (8, 6417970), (10, 5134376), (13, 3949520), (16, 3208985), (20, 2567188), (26, 1974760), (40, 1283594), (52, 987380), (65, 789904), (80, 641797), (104, 493690), (130, 394952), (208, 246845), (260, 197476), (520, 98738), (1040, 49369)]