16040075

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{347}}^1$

素因数の和:443

約数の個数: 18

約数和(自身を含む): 20421684

約数和(自身を除く): 4381609

約数列:

[1, 5, 25, 43, 215, 347, 1075, 1735, 1849, 8675, 9245, 14921, 46225, 74605, 373025, 641603, 3208015, 16040075]

約数ペア:

[(1, 16040075), (5, 3208015), (25, 641603), (43, 373025), (215, 74605), (347, 46225), (1075, 14921), (1735, 9245), (1849, 8675)]