172879360

素因数分解:

$2^9\times 5^1\times {\mathrm{67531}}^1$

素因数の和:67554

約数の個数: 40

約数和(自身を含む): 414511416

約数和(自身を除く): 241632056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 67531, 135062, 270124, 337655, 540248, 675310, 1080496, 1350620, 2160992, 2701240, 4321984, 5402480, 8643968, 10804960, 17287936, 21609920, 34575872, 43219840, 86439680, 172879360]

約数ペア:

[(1, 172879360), (2, 86439680), (4, 43219840), (5, 34575872), (8, 21609920), (10, 17287936), (16, 10804960), (20, 8643968), (32, 5402480), (40, 4321984), (64, 2701240), (80, 2160992), (128, 1350620), (160, 1080496), (256, 675310), (320, 540248), (512, 337655), (640, 270124), (1280, 135062), (2560, 67531)]