20100512

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4519}}^1$

素因数の和:4668

約数の個数: 24

約数和(自身を含む): 39866400

約数和(自身を除く): 19765888

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4519, 9038, 18076, 36152, 72304, 144608, 628141, 1256282, 2512564, 5025128, 10050256, 20100512]

約数ペア:

[(1, 20100512), (2, 10050256), (4, 5025128), (8, 2512564), (16, 1256282), (32, 628141), (139, 144608), (278, 72304), (556, 36152), (1112, 18076), (2224, 9038), (4448, 4519)]