30921610

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{7949}}^1$

素因数の和:8345

約数の個数: 16

約数和(自身を含む): 55809000

約数和(自身を除く): 24887390

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 7949, 15898, 39745, 79490, 3092161, 6184322, 15460805, 30921610]

約数ペア:

[(1, 30921610), (2, 15460805), (5, 6184322), (10, 3092161), (389, 79490), (778, 39745), (1945, 15898), (3890, 7949)]