78084200

素因数分解:

$2^3\times 5^2\times {\mathrm{390421}}^1$

素因数の和:390437

約数の個数: 24

約数和(自身を含む): 181546230

約数和(自身を除く): 103462030

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 390421, 780842, 1561684, 1952105, 3123368, 3904210, 7808420, 9760525, 15616840, 19521050, 39042100, 78084200]

約数ペア:

[(1, 78084200), (2, 39042100), (4, 19521050), (5, 15616840), (8, 9760525), (10, 7808420), (20, 3904210), (25, 3123368), (40, 1952105), (50, 1561684), (100, 780842), (200, 390421)]