30817960

素因数分解:

$2^3\times 5^1\times {\mathrm{770449}}^1$

素因数の和:770460

約数の個数: 16

約数和(自身を含む): 69340500

約数和(自身を除く): 38522540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 770449, 1540898, 3081796, 3852245, 6163592, 7704490, 15408980, 30817960]

約数ペア:

[(1, 30817960), (2, 15408980), (4, 7704490), (5, 6163592), (8, 3852245), (10, 3081796), (20, 1540898), (40, 770449)]