72608420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{77243}}^1$

素因数の和:77299

約数の個数: 24

約数和(自身を含む): 155723904

約数和(自身を除く): 83115484

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 77243, 154486, 308972, 386215, 772430, 1544860, 3630421, 7260842, 14521684, 18152105, 36304210, 72608420]

約数ペア:

[(1, 72608420), (2, 36304210), (4, 18152105), (5, 14521684), (10, 7260842), (20, 3630421), (47, 1544860), (94, 772430), (188, 386215), (235, 308972), (470, 154486), (940, 77243)]