1969840

素因数分解:

$2^4\times 5^1\times {\mathrm{24623}}^1$

素因数の和:24636

約数の個数: 20

約数和(自身を含む): 4580064

約数和(自身を除く): 2610224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24623, 49246, 98492, 123115, 196984, 246230, 393968, 492460, 984920, 1969840]

約数ペア:

[(1, 1969840), (2, 984920), (4, 492460), (5, 393968), (8, 246230), (10, 196984), (16, 123115), (20, 98492), (40, 49246), (80, 24623)]