82091875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 111964160

約数和(自身を除く): 29872285

約数列:

[1, 5, 19, 25, 31, 95, 125, 155, 223, 475, 589, 625, 775, 1115, 2375, 2945, 3875, 4237, 5575, 6913, 11875, 14725, 19375, 21185, 27875, 34565, 73625, 105925, 131347, 139375, 172825, 368125, 529625, 656735, 864125, 2648125, 3283675, 4320625, 16418375, 82091875]

約数ペア:

[(1, 82091875), (5, 16418375), (19, 4320625), (25, 3283675), (31, 2648125), (95, 864125), (125, 656735), (155, 529625), (223, 368125), (475, 172825), (589, 139375), (625, 131347), (775, 105925), (1115, 73625), (2375, 34565), (2945, 27875), (3875, 21185), (4237, 19375), (5575, 14725), (6913, 11875)]