2008227218980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{8244631}}^1$

素因数の和:8245300

約数の個数: 48

約数和(自身を含む): 4446165144960

約数和(自身を除く): 2437937925980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 641, 1282, 2564, 3205, 6410, 12179, 12820, 24358, 48716, 60895, 121790, 243580, 8244631, 16489262, 32978524, 41223155, 82446310, 156647989, 164892620, 313295978, 626591956, 783239945, 1566479890, 3132959780, 5284808471, 10569616942, 21139233884, 26424042355, 52848084710, 100411360949, 105696169420, 200822721898, 401645443796, 502056804745, 1004113609490, 2008227218980]

約数ペア:

[(1, 2008227218980), (2, 1004113609490), (4, 502056804745), (5, 401645443796), (10, 200822721898), (19, 105696169420), (20, 100411360949), (38, 52848084710), (76, 26424042355), (95, 21139233884), (190, 10569616942), (380, 5284808471), (641, 3132959780), (1282, 1566479890), (2564, 783239945), (3205, 626591956), (6410, 313295978), (12179, 164892620), (12820, 156647989), (24358, 82446310), (48716, 41223155), (60895, 32978524), (121790, 16489262), (243580, 8244631)]