40082020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 99348480

約数和(自身を除く): 59266460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 43, 44, 55, 76, 86, 95, 110, 172, 190, 209, 215, 220, 223, 380, 418, 430, 446, 473, 817, 836, 860, 892, 946, 1045, 1115, 1634, 1892, 2090, 2230, 2365, 2453, 3268, 4085, 4180, 4237, 4460, 4730, 4906, 8170, 8474, 8987, 9460, 9589, 9812, 12265, 16340, 16948, 17974, 19178, 21185, 24530, 35948, 38356, 42370, 44935, 46607, 47945, 49060, 84740, 89870, 93214, 95890, 105479, 179740, 182191, 186428, 191780, 210958, 233035, 364382, 421916, 466070, 527395, 728764, 910955, 932140, 1054790, 1821910, 2004101, 2109580, 3643820, 4008202, 8016404, 10020505, 20041010, 40082020]

約数ペア:

[(1, 40082020), (2, 20041010), (4, 10020505), (5, 8016404), (10, 4008202), (11, 3643820), (19, 2109580), (20, 2004101), (22, 1821910), (38, 1054790), (43, 932140), (44, 910955), (55, 728764), (76, 527395), (86, 466070), (95, 421916), (110, 364382), (172, 233035), (190, 210958), (209, 191780), (215, 186428), (220, 182191), (223, 179740), (380, 105479), (418, 95890), (430, 93214), (446, 89870), (473, 84740), (817, 49060), (836, 47945), (860, 46607), (892, 44935), (946, 42370), (1045, 38356), (1115, 35948), (1634, 24530), (1892, 21185), (2090, 19178), (2230, 17974), (2365, 16948), (2453, 16340), (3268, 12265), (4085, 9812), (4180, 9589), (4237, 9460), (4460, 8987), (4730, 8474), (4906, 8170)]