64913875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 89369280

約数和(自身を除く): 24455405

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 325, 559, 929, 1075, 1625, 2795, 4645, 5375, 12077, 13975, 23225, 39947, 60385, 69875, 116125, 199735, 301925, 519311, 998675, 1509625, 2596555, 4993375, 12982775, 64913875]

約数ペア:

[(1, 64913875), (5, 12982775), (13, 4993375), (25, 2596555), (43, 1509625), (65, 998675), (125, 519311), (215, 301925), (325, 199735), (559, 116125), (929, 69875), (1075, 60385), (1625, 39947), (2795, 23225), (4645, 13975), (5375, 12077)]