12620240

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2247

約数の個数: 40

約数和(自身を含む): 29757768

約数和(自身を除く): 17137528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2161, 2920, 4322, 5840, 8644, 10805, 17288, 21610, 34576, 43220, 86440, 157753, 172880, 315506, 631012, 788765, 1262024, 1577530, 2524048, 3155060, 6310120, 12620240]

約数ペア:

[(1, 12620240), (2, 6310120), (4, 3155060), (5, 2524048), (8, 1577530), (10, 1262024), (16, 788765), (20, 631012), (40, 315506), (73, 172880), (80, 157753), (146, 86440), (292, 43220), (365, 34576), (584, 21610), (730, 17288), (1168, 10805), (1460, 8644), (2161, 5840), (2920, 4322)]