19954175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 27118800

約数和(自身を除く): 7164625

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 1619, 2465, 8095, 12325, 27523, 40475, 46951, 137615, 234755, 688075, 798167, 1173775, 3990835, 19954175]

約数ペア:

[(1, 19954175), (5, 3990835), (17, 1173775), (25, 798167), (29, 688075), (85, 234755), (145, 137615), (425, 46951), (493, 40475), (725, 27523), (1619, 12325), (2465, 8095)]