72409075

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{1723}}^1$

素因数の和:1815

約数の個数: 18

約数和(自身を含む): 92084012

約数和(自身を除く): 19674937

約数列:

[1, 5, 25, 41, 205, 1025, 1681, 1723, 8405, 8615, 42025, 43075, 70643, 353215, 1766075, 2896363, 14481815, 72409075]

約数ペア:

[(1, 72409075), (5, 14481815), (25, 2896363), (41, 1766075), (205, 353215), (1025, 70643), (1681, 43075), (1723, 42025), (8405, 8615)]