202181120

素因数分解:

$2^9\times 5^1\times {\mathrm{78977}}^1$

素因数の和:79000

約数の個数: 40

約数和(自身を含む): 484766964

約数和(自身を除く): 282585844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 78977, 157954, 315908, 394885, 631816, 789770, 1263632, 1579540, 2527264, 3159080, 5054528, 6318160, 10109056, 12636320, 20218112, 25272640, 40436224, 50545280, 101090560, 202181120]

約数ペア:

[(1, 202181120), (2, 101090560), (4, 50545280), (5, 40436224), (8, 25272640), (10, 20218112), (16, 12636320), (20, 10109056), (32, 6318160), (40, 5054528), (64, 3159080), (80, 2527264), (128, 1579540), (160, 1263632), (256, 789770), (320, 631816), (512, 394885), (640, 315908), (1280, 157954), (2560, 78977)]