82722250220

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1997}}^1\times {\mathrm{8059}}^1$

素因数の和:10322

約数の個数: 48

約数和(自身を含む): 174501643680

約数和(自身を除く): 91779393460

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 1997, 2570, 3994, 5140, 7988, 8059, 9985, 16118, 19970, 32236, 39940, 40295, 80590, 161180, 513229, 1026458, 2052916, 2071163, 2566145, 4142326, 5132290, 8284652, 10264580, 10355815, 16093823, 20711630, 32187646, 41423260, 64375292, 80469115, 160938230, 321876460, 4136112511, 8272225022, 16544450044, 20680562555, 41361125110, 82722250220]

約数ペア:

[(1, 82722250220), (2, 41361125110), (4, 20680562555), (5, 16544450044), (10, 8272225022), (20, 4136112511), (257, 321876460), (514, 160938230), (1028, 80469115), (1285, 64375292), (1997, 41423260), (2570, 32187646), (3994, 20711630), (5140, 16093823), (7988, 10355815), (8059, 10264580), (9985, 8284652), (16118, 5132290), (19970, 4142326), (32236, 2566145), (39940, 2071163), (40295, 2052916), (80590, 1026458), (161180, 513229)]