2970040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 6849360

約数和(自身を除く): 3879320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1811, 3622, 7244, 9055, 14488, 18110, 36220, 72440, 74251, 148502, 297004, 371255, 594008, 742510, 1485020, 2970040]

約数ペア:

[(1, 2970040), (2, 1485020), (4, 742510), (5, 594008), (8, 371255), (10, 297004), (20, 148502), (40, 74251), (41, 72440), (82, 36220), (164, 18110), (205, 14488), (328, 9055), (410, 7244), (820, 3622), (1640, 1811)]