42990875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{20231}}^1$

素因数の和:20263

約数の個数: 16

約数和(自身を含む): 56811456

約数和(自身を除く): 13820581

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 20231, 101155, 343927, 505775, 1719635, 2528875, 8598175, 42990875]

約数ペア:

[(1, 42990875), (5, 8598175), (17, 2528875), (25, 1719635), (85, 505775), (125, 343927), (425, 101155), (2125, 20231)]