205013575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1787}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 274701168

約数和(自身を除く): 69687593

約数列:

[1, 5, 13, 25, 65, 325, 353, 1765, 1787, 4589, 8825, 8935, 22945, 23231, 44675, 114725, 116155, 580775, 630811, 3154055, 8200543, 15770275, 41002715, 205013575]

約数ペア:

[(1, 205013575), (5, 41002715), (13, 15770275), (25, 8200543), (65, 3154055), (325, 630811), (353, 580775), (1765, 116155), (1787, 114725), (4589, 44675), (8825, 23231), (8935, 22945)]