22055440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 56889216

約数和(自身を除く): 34833776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 353, 355, 440, 568, 706, 710, 781, 880, 1136, 1412, 1420, 1562, 1765, 2824, 2840, 3124, 3530, 3883, 3905, 5648, 5680, 6248, 7060, 7766, 7810, 12496, 14120, 15532, 15620, 19415, 25063, 28240, 31064, 31240, 38830, 50126, 62128, 62480, 77660, 100252, 125315, 155320, 200504, 250630, 275693, 310640, 401008, 501260, 551386, 1002520, 1102772, 1378465, 2005040, 2205544, 2756930, 4411088, 5513860, 11027720, 22055440]

約数ペア:

[(1, 22055440), (2, 11027720), (4, 5513860), (5, 4411088), (8, 2756930), (10, 2205544), (11, 2005040), (16, 1378465), (20, 1102772), (22, 1002520), (40, 551386), (44, 501260), (55, 401008), (71, 310640), (80, 275693), (88, 250630), (110, 200504), (142, 155320), (176, 125315), (220, 100252), (284, 77660), (353, 62480), (355, 62128), (440, 50126), (568, 38830), (706, 31240), (710, 31064), (781, 28240), (880, 25063), (1136, 19415), (1412, 15620), (1420, 15532), (1562, 14120), (1765, 12496), (2824, 7810), (2840, 7766), (3124, 7060), (3530, 6248), (3883, 5680), (3905, 5648)]