2889456640

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{80621}}^1$

素因数の和:80653

約数の個数: 88

約数和(自身を含む): 7921595232

約数和(自身を除く): 5032138592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 8960, 17920, 35840, 80621, 161242, 322484, 403105, 564347, 644968, 806210, 1128694, 1289936, 1612420, 2257388, 2579872, 2821735, 3224840, 4514776, 5159744, 5643470, 6449680, 9029552, 10319488, 11286940, 12899360, 18059104, 20638976, 22573880, 25798720, 36118208, 41277952, 45147760, 51597440, 72236416, 82555904, 90295520, 103194880, 144472832, 180591040, 206389760, 288945664, 361182080, 412779520, 577891328, 722364160, 1444728320, 2889456640]

約数ペア:

[(1, 2889456640), (2, 1444728320), (4, 722364160), (5, 577891328), (7, 412779520), (8, 361182080), (10, 288945664), (14, 206389760), (16, 180591040), (20, 144472832), (28, 103194880), (32, 90295520), (35, 82555904), (40, 72236416), (56, 51597440), (64, 45147760), (70, 41277952), (80, 36118208), (112, 25798720), (128, 22573880), (140, 20638976), (160, 18059104), (224, 12899360), (256, 11286940), (280, 10319488), (320, 9029552), (448, 6449680), (512, 5643470), (560, 5159744), (640, 4514776), (896, 3224840), (1024, 2821735), (1120, 2579872), (1280, 2257388), (1792, 1612420), (2240, 1289936), (2560, 1128694), (3584, 806210), (4480, 644968), (5120, 564347), (7168, 403105), (8960, 322484), (17920, 161242), (35840, 80621)]