201366520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{36217}}^1$

素因数の和:36367

約数の個数: 32

約数和(自身を含む): 456346800

約数和(自身を除く): 254980280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 36217, 72434, 144868, 181085, 289736, 362170, 724340, 1448680, 5034163, 10068326, 20136652, 25170815, 40273304, 50341630, 100683260, 201366520]

約数ペア:

[(1, 201366520), (2, 100683260), (4, 50341630), (5, 40273304), (8, 25170815), (10, 20136652), (20, 10068326), (40, 5034163), (139, 1448680), (278, 724340), (556, 362170), (695, 289736), (1112, 181085), (1390, 144868), (2780, 72434), (5560, 36217)]