64408270

素因数分解:

$2^1\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{4003}}^1$

素因数の和:5619

約数の個数: 16

約数和(自身を含む): 116035920

約数和(自身を除く): 51627650

約数列:

[1, 2, 5, 10, 1609, 3218, 4003, 8006, 8045, 16090, 20015, 40030, 6440827, 12881654, 32204135, 64408270]

約数ペア:

[(1, 64408270), (2, 32204135), (5, 12881654), (10, 6440827), (1609, 40030), (3218, 20015), (4003, 16090), (8006, 8045)]