1340476420

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{80849}}^1$

素因数の和:81687

約数の個数: 24

約数和(自身を含む): 2818431000

約数和(自身を除く): 1477954580

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4145, 8290, 16580, 80849, 161698, 323396, 404245, 808490, 1616980, 67023821, 134047642, 268095284, 335119105, 670238210, 1340476420]

約数ペア:

[(1, 1340476420), (2, 670238210), (4, 335119105), (5, 268095284), (10, 134047642), (20, 67023821), (829, 1616980), (1658, 808490), (3316, 404245), (4145, 323396), (8290, 161698), (16580, 80849)]