1302436420

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{132631}}^1$

素因数の和:133131

約数の個数: 24

約数和(自身を含む): 2740707648

約数和(自身を除く): 1438271228

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 132631, 265262, 530524, 663155, 1326310, 2652620, 65121821, 130243642, 260487284, 325609105, 651218210, 1302436420]

約数ペア:

[(1, 1302436420), (2, 651218210), (4, 325609105), (5, 260487284), (10, 130243642), (20, 65121821), (491, 2652620), (982, 1326310), (1964, 663155), (2455, 530524), (4910, 265262), (9820, 132631)]