49997840

素因数分解:

$2^4\times 5^1\times {\mathrm{624973}}^1$

素因数の和:624986

約数の個数: 20

約数和(自身を含む): 116245164

約数和(自身を除く): 66247324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 624973, 1249946, 2499892, 3124865, 4999784, 6249730, 9999568, 12499460, 24998920, 49997840]

約数ペア:

[(1, 49997840), (2, 24998920), (4, 12499460), (5, 9999568), (8, 6249730), (10, 4999784), (16, 3124865), (20, 2499892), (40, 1249946), (80, 624973)]