20184020080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{349931}}^1$

素因数の和:350054

約数の個数: 80

約数和(自身を含む): 54152676864

約数和(自身を除く): 33968656784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1442, 1648, 2060, 2884, 3605, 4120, 5768, 7210, 8240, 11536, 14420, 28840, 57680, 349931, 699862, 1399724, 1749655, 2449517, 2799448, 3499310, 4899034, 5598896, 6998620, 9798068, 12247585, 13997240, 19596136, 24495170, 27994480, 36042893, 39192272, 48990340, 72085786, 97980680, 144171572, 180214465, 195961360, 252300251, 288343144, 360428930, 504600502, 576686288, 720857860, 1009201004, 1261501255, 1441715720, 2018402008, 2523002510, 2883431440, 4036804016, 5046005020, 10092010040, 20184020080]

約数ペア:

[(1, 20184020080), (2, 10092010040), (4, 5046005020), (5, 4036804016), (7, 2883431440), (8, 2523002510), (10, 2018402008), (14, 1441715720), (16, 1261501255), (20, 1009201004), (28, 720857860), (35, 576686288), (40, 504600502), (56, 360428930), (70, 288343144), (80, 252300251), (103, 195961360), (112, 180214465), (140, 144171572), (206, 97980680), (280, 72085786), (412, 48990340), (515, 39192272), (560, 36042893), (721, 27994480), (824, 24495170), (1030, 19596136), (1442, 13997240), (1648, 12247585), (2060, 9798068), (2884, 6998620), (3605, 5598896), (4120, 4899034), (5768, 3499310), (7210, 2799448), (8240, 2449517), (11536, 1749655), (14420, 1399724), (28840, 699862), (57680, 349931)]