5006920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 11975040

約数和(自身を除く): 6968120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 71, 82, 86, 142, 164, 172, 205, 215, 284, 328, 344, 355, 410, 430, 568, 710, 820, 860, 1420, 1640, 1720, 1763, 2840, 2911, 3053, 3526, 5822, 6106, 7052, 8815, 11644, 12212, 14104, 14555, 15265, 17630, 23288, 24424, 29110, 30530, 35260, 58220, 61060, 70520, 116440, 122120, 125173, 250346, 500692, 625865, 1001384, 1251730, 2503460, 5006920]

約数ペア:

[(1, 5006920), (2, 2503460), (4, 1251730), (5, 1001384), (8, 625865), (10, 500692), (20, 250346), (40, 125173), (41, 122120), (43, 116440), (71, 70520), (82, 61060), (86, 58220), (142, 35260), (164, 30530), (172, 29110), (205, 24424), (215, 23288), (284, 17630), (328, 15265), (344, 14555), (355, 14104), (410, 12212), (430, 11644), (568, 8815), (710, 7052), (820, 6106), (860, 5822), (1420, 3526), (1640, 3053), (1720, 2911), (1763, 2840)]