74772520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 99409880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 359, 410, 508, 635, 718, 820, 1016, 1270, 1436, 1640, 1795, 2540, 2872, 3590, 5080, 5207, 7180, 10414, 14360, 14719, 20828, 26035, 29438, 41656, 45593, 52070, 58876, 73595, 91186, 104140, 117752, 147190, 182372, 208280, 227965, 294380, 364744, 455930, 588760, 911860, 1823720, 1869313, 3738626, 7477252, 9346565, 14954504, 18693130, 37386260, 74772520]

約数ペア:

[(1, 74772520), (2, 37386260), (4, 18693130), (5, 14954504), (8, 9346565), (10, 7477252), (20, 3738626), (40, 1869313), (41, 1823720), (82, 911860), (127, 588760), (164, 455930), (205, 364744), (254, 294380), (328, 227965), (359, 208280), (410, 182372), (508, 147190), (635, 117752), (718, 104140), (820, 91186), (1016, 73595), (1270, 58876), (1436, 52070), (1640, 45593), (1795, 41656), (2540, 29438), (2872, 26035), (3590, 20828), (5080, 14719), (5207, 14360), (7180, 10414)]