161006480

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14479}}^1$

素因数の和:14631

約数の個数: 40

約数和(自身を含む): 377059200

約数和(自身を除く): 216052720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 14479, 28958, 57916, 72395, 115832, 144790, 231664, 289580, 579160, 1158320, 2012581, 4025162, 8050324, 10062905, 16100648, 20125810, 32201296, 40251620, 80503240, 161006480]

約数ペア:

[(1, 161006480), (2, 80503240), (4, 40251620), (5, 32201296), (8, 20125810), (10, 16100648), (16, 10062905), (20, 8050324), (40, 4025162), (80, 2012581), (139, 1158320), (278, 579160), (556, 289580), (695, 231664), (1112, 144790), (1390, 115832), (2224, 72395), (2780, 57916), (5560, 28958), (11120, 14479)]