12804940990

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1582811}}^1$

素因数の和:1583627

約数の個数: 16

約数和(自身を含む): 23077398960

約数和(自身を除く): 10272457970

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 1582811, 3165622, 7914055, 15828110, 1280494099, 2560988198, 6402470495, 12804940990]

約数ペア:

[(1, 12804940990), (2, 6402470495), (5, 2560988198), (10, 1280494099), (809, 15828110), (1618, 7914055), (4045, 3165622), (8090, 1582811)]