496819375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 683331264

約数和(自身を除く): 186511889

約数列:

[1, 5, 13, 25, 47, 65, 125, 235, 325, 611, 625, 1175, 1301, 1625, 3055, 5875, 6505, 8125, 15275, 16913, 29375, 32525, 61147, 76375, 84565, 162625, 305735, 381875, 422825, 794911, 813125, 1528675, 2114125, 3974555, 7643375, 10570625, 19872775, 38216875, 99363875, 496819375]

約数ペア:

[(1, 496819375), (5, 99363875), (13, 38216875), (25, 19872775), (47, 10570625), (65, 7643375), (125, 3974555), (235, 2114125), (325, 1528675), (611, 813125), (625, 794911), (1175, 422825), (1301, 381875), (1625, 305735), (3055, 162625), (5875, 84565), (6505, 76375), (8125, 61147), (15275, 32525), (16913, 29375)]