2920986440

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{407959}}^1$

素因数の和:408149

約数の個数: 32

約数和(自身を含む): 6608952000

約数和(自身を除く): 3687965560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 407959, 815918, 1631836, 2039795, 3263672, 4079590, 8159180, 16318360, 73024661, 146049322, 292098644, 365123305, 584197288, 730246610, 1460493220, 2920986440]

約数ペア:

[(1, 2920986440), (2, 1460493220), (4, 730246610), (5, 584197288), (8, 365123305), (10, 292098644), (20, 146049322), (40, 73024661), (179, 16318360), (358, 8159180), (716, 4079590), (895, 3263672), (1432, 2039795), (1790, 1631836), (3580, 815918), (7160, 407959)]