38648720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1248

約数の個数: 80

約数和(自身を含む): 100761408

約数和(自身を除く): 62112688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1187, 1480, 1628, 2035, 2374, 2960, 3256, 4070, 4748, 5935, 6512, 8140, 9496, 11870, 13057, 16280, 18992, 23740, 26114, 32560, 43919, 47480, 52228, 65285, 87838, 94960, 104456, 130570, 175676, 208912, 219595, 261140, 351352, 439190, 483109, 522280, 702704, 878380, 966218, 1044560, 1756760, 1932436, 2415545, 3513520, 3864872, 4831090, 7729744, 9662180, 19324360, 38648720]

約数ペア:

[(1, 38648720), (2, 19324360), (4, 9662180), (5, 7729744), (8, 4831090), (10, 3864872), (11, 3513520), (16, 2415545), (20, 1932436), (22, 1756760), (37, 1044560), (40, 966218), (44, 878380), (55, 702704), (74, 522280), (80, 483109), (88, 439190), (110, 351352), (148, 261140), (176, 219595), (185, 208912), (220, 175676), (296, 130570), (370, 104456), (407, 94960), (440, 87838), (592, 65285), (740, 52228), (814, 47480), (880, 43919), (1187, 32560), (1480, 26114), (1628, 23740), (2035, 18992), (2374, 16280), (2960, 13057), (3256, 11870), (4070, 9496), (4748, 8140), (5935, 6512)]