3914840

素因数分解:

$2^3\times 5^1\times {\mathrm{97871}}^1$

素因数の和:97882

約数の個数: 16

約数和(自身を含む): 8808480

約数和(自身を除く): 4893640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97871, 195742, 391484, 489355, 782968, 978710, 1957420, 3914840]

約数ペア:

[(1, 3914840), (2, 1957420), (4, 978710), (5, 782968), (8, 489355), (10, 391484), (20, 195742), (40, 97871)]