85902820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1693}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 187830720

約数和(自身を除く): 101927900

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 860, 1180, 1693, 2537, 3386, 5074, 6772, 8465, 10148, 12685, 16930, 25370, 33860, 50740, 72799, 99887, 145598, 199774, 291196, 363995, 399548, 499435, 727990, 998870, 1455980, 1997740, 4295141, 8590282, 17180564, 21475705, 42951410, 85902820]

約数ペア:

[(1, 85902820), (2, 42951410), (4, 21475705), (5, 17180564), (10, 8590282), (20, 4295141), (43, 1997740), (59, 1455980), (86, 998870), (118, 727990), (172, 499435), (215, 399548), (236, 363995), (295, 291196), (430, 199774), (590, 145598), (860, 99887), (1180, 72799), (1693, 50740), (2537, 33860), (3386, 25370), (5074, 16930), (6772, 12685), (8465, 10148)]