80643248

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7129}}^1$

素因数の和:7245

約数の個数: 40

約数和(自身を含む): 180360480

約数和(自身を除く): 99717232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 2828, 5656, 7129, 11312, 14258, 28516, 49903, 57032, 99806, 114064, 199612, 399224, 720029, 798448, 1440058, 2880116, 5040203, 5760232, 10080406, 11520464, 20160812, 40321624, 80643248]

約数ペア:

[(1, 80643248), (2, 40321624), (4, 20160812), (7, 11520464), (8, 10080406), (14, 5760232), (16, 5040203), (28, 2880116), (56, 1440058), (101, 798448), (112, 720029), (202, 399224), (404, 199612), (707, 114064), (808, 99806), (1414, 57032), (1616, 49903), (2828, 28516), (5656, 14258), (7129, 11312)]