510040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 1179360

約数和(自身を除く): 669320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 311, 328, 410, 622, 820, 1244, 1555, 1640, 2488, 3110, 6220, 12440, 12751, 25502, 51004, 63755, 102008, 127510, 255020, 510040]

約数ペア:

[(1, 510040), (2, 255020), (4, 127510), (5, 102008), (8, 63755), (10, 51004), (20, 25502), (40, 12751), (41, 12440), (82, 6220), (164, 3110), (205, 2488), (311, 1640), (328, 1555), (410, 1244), (622, 820)]