1540232020

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{77711}}^1$

素因数の和:78711

約数の個数: 24

約数和(自身を含む): 3237792768

約数和(自身を除く): 1697560748

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 77711, 155422, 310844, 388555, 777110, 1554220, 77011601, 154023202, 308046404, 385058005, 770116010, 1540232020]

約数ペア:

[(1, 1540232020), (2, 770116010), (4, 385058005), (5, 308046404), (10, 154023202), (20, 77011601), (991, 1554220), (1982, 777110), (3964, 388555), (4955, 310844), (9910, 155422), (19820, 77711)]