16456375

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 48

約数和(自身を含む): 23980320

約数和(自身を除く): 7523945

約数列:

[1, 5, 13, 19, 25, 41, 65, 95, 125, 169, 205, 247, 325, 475, 533, 779, 845, 1025, 1235, 1625, 2375, 2665, 3211, 3895, 4225, 5125, 6175, 6929, 10127, 13325, 16055, 19475, 21125, 30875, 34645, 50635, 66625, 80275, 97375, 131651, 173225, 253175, 401375, 658255, 866125, 1265875, 3291275, 16456375]

約数ペア:

[(1, 16456375), (5, 3291275), (13, 1265875), (19, 866125), (25, 658255), (41, 401375), (65, 253175), (95, 173225), (125, 131651), (169, 97375), (205, 80275), (247, 66625), (325, 50635), (475, 34645), (533, 30875), (779, 21125), (845, 19475), (1025, 16055), (1235, 13325), (1625, 10127), (2375, 6929), (2665, 6175), (3211, 5125), (3895, 4225)]