22018640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 61449192

約数和(自身を除く): 39430552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 137, 140, 164, 196, 205, 245, 274, 280, 287, 328, 392, 410, 490, 548, 560, 574, 656, 685, 784, 820, 959, 980, 1096, 1148, 1370, 1435, 1640, 1918, 1960, 2009, 2192, 2296, 2740, 2870, 3280, 3836, 3920, 4018, 4592, 4795, 5480, 5617, 5740, 6713, 7672, 8036, 9590, 10045, 10960, 11234, 11480, 13426, 15344, 16072, 19180, 20090, 22468, 22960, 26852, 28085, 32144, 33565, 38360, 39319, 40180, 44936, 53704, 56170, 67130, 76720, 78638, 80360, 89872, 107408, 112340, 134260, 157276, 160720, 196595, 224680, 268520, 275233, 314552, 393190, 449360, 537040, 550466, 629104, 786380, 1100932, 1376165, 1572760, 2201864, 2752330, 3145520, 4403728, 5504660, 11009320, 22018640]

約数ペア:

[(1, 22018640), (2, 11009320), (4, 5504660), (5, 4403728), (7, 3145520), (8, 2752330), (10, 2201864), (14, 1572760), (16, 1376165), (20, 1100932), (28, 786380), (35, 629104), (40, 550466), (41, 537040), (49, 449360), (56, 393190), (70, 314552), (80, 275233), (82, 268520), (98, 224680), (112, 196595), (137, 160720), (140, 157276), (164, 134260), (196, 112340), (205, 107408), (245, 89872), (274, 80360), (280, 78638), (287, 76720), (328, 67130), (392, 56170), (410, 53704), (490, 44936), (548, 40180), (560, 39319), (574, 38360), (656, 33565), (685, 32144), (784, 28085), (820, 26852), (959, 22960), (980, 22468), (1096, 20090), (1148, 19180), (1370, 16072), (1435, 15344), (1640, 13426), (1918, 11480), (1960, 11234), (2009, 10960), (2192, 10045), (2296, 9590), (2740, 8036), (2870, 7672), (3280, 6713), (3836, 5740), (3920, 5617), (4018, 5480), (4592, 4795)]