51400280

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1489}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 115862400

約数和(自身を除く): 64462120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1489, 1726, 2978, 3452, 4315, 5956, 6904, 7445, 8630, 11912, 14890, 17260, 29780, 34520, 59560, 1285007, 2570014, 5140028, 6425035, 10280056, 12850070, 25700140, 51400280]

約数ペア:

[(1, 51400280), (2, 25700140), (4, 12850070), (5, 10280056), (8, 6425035), (10, 5140028), (20, 2570014), (40, 1285007), (863, 59560), (1489, 34520), (1726, 29780), (2978, 17260), (3452, 14890), (4315, 11912), (5956, 8630), (6904, 7445)]