71207840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40459}}^1$

素因数の和:40485

約数の個数: 48

約数和(自身を含む): 183526560

約数和(自身を除く): 112318720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 40459, 80918, 161836, 202295, 323672, 404590, 445049, 647344, 809180, 890098, 1294688, 1618360, 1780196, 2225245, 3236720, 3560392, 4450490, 6473440, 7120784, 8900980, 14241568, 17801960, 35603920, 71207840]

約数ペア:

[(1, 71207840), (2, 35603920), (4, 17801960), (5, 14241568), (8, 8900980), (10, 7120784), (11, 6473440), (16, 4450490), (20, 3560392), (22, 3236720), (32, 2225245), (40, 1780196), (44, 1618360), (55, 1294688), (80, 890098), (88, 809180), (110, 647344), (160, 445049), (176, 404590), (220, 323672), (352, 202295), (440, 161836), (880, 80918), (1760, 40459)]