28881425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1553

約数の個数: 24

約数和(自身を含む): 38643360

約数和(自身を除く): 9761935

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 1483, 3895, 7415, 19475, 28177, 37075, 60803, 140885, 304015, 704425, 1155257, 1520075, 5776285, 28881425]

約数ペア:

[(1, 28881425), (5, 5776285), (19, 1520075), (25, 1155257), (41, 704425), (95, 304015), (205, 140885), (475, 60803), (779, 37075), (1025, 28177), (1483, 19475), (3895, 7415)]