72021340

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{3527}}^1$

素因数の和:4557

約数の個数: 24

約数和(自身を含む): 151435872

約数和(自身を除く): 79414532

約数列:

[1, 2, 4, 5, 10, 20, 1021, 2042, 3527, 4084, 5105, 7054, 10210, 14108, 17635, 20420, 35270, 70540, 3601067, 7202134, 14404268, 18005335, 36010670, 72021340]

約数ペア:

[(1, 72021340), (2, 36010670), (4, 18005335), (5, 14404268), (10, 7202134), (20, 3601067), (1021, 70540), (2042, 35270), (3527, 20420), (4084, 17635), (5105, 14108), (7054, 10210)]