64888630

素因数分解:

$2^1\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{4003}}^1$

素因数の和:5631

約数の個数: 16

約数和(自身を含む): 116900784

約数和(自身を除く): 52012154

約数列:

[1, 2, 5, 10, 1621, 3242, 4003, 8006, 8105, 16210, 20015, 40030, 6488863, 12977726, 32444315, 64888630]

約数ペア:

[(1, 64888630), (2, 32444315), (5, 12977726), (10, 6488863), (1621, 40030), (3242, 20015), (4003, 16210), (8006, 8105)]