65597720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{10061}}^1$

素因数の和:10235

約数の個数: 32

約数和(自身を含む): 148515120

約数和(自身を除く): 82917400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 10061, 20122, 40244, 50305, 80488, 100610, 201220, 402440, 1639943, 3279886, 6559772, 8199715, 13119544, 16399430, 32798860, 65597720]

約数ペア:

[(1, 65597720), (2, 32798860), (4, 16399430), (5, 13119544), (8, 8199715), (10, 6559772), (20, 3279886), (40, 1639943), (163, 402440), (326, 201220), (652, 100610), (815, 80488), (1304, 50305), (1630, 40244), (3260, 20122), (6520, 10061)]