1927694375

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{43441}}^1$

素因数の和:43532

約数の個数: 20

約数和(自身を含む): 2442830544

約数和(自身を除く): 515136169

約数列:

[1, 5, 25, 71, 125, 355, 625, 1775, 8875, 43441, 44375, 217205, 1086025, 3084311, 5430125, 15421555, 27150625, 77107775, 385538875, 1927694375]

約数ペア:

[(1, 1927694375), (5, 385538875), (25, 77107775), (71, 27150625), (125, 15421555), (355, 5430125), (625, 3084311), (1775, 1086025), (8875, 217205), (43441, 44375)]