13357840

素因数分解:

$2^4\times 5^1\times {\mathrm{166973}}^1$

素因数の和:166986

約数の個数: 20

約数和(自身を含む): 31057164

約数和(自身を除く): 17699324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 166973, 333946, 667892, 834865, 1335784, 1669730, 2671568, 3339460, 6678920, 13357840]

約数ペア:

[(1, 13357840), (2, 6678920), (4, 3339460), (5, 2671568), (8, 1669730), (10, 1335784), (16, 834865), (20, 667892), (40, 333946), (80, 166973)]