201042560

素因数分解:

$2^7\times 5^1\times {\mathrm{314129}}^1$

素因数の和:314148

約数の個数: 32

約数和(自身を含む): 480618900

約数和(自身を除く): 279576340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314129, 628258, 1256516, 1570645, 2513032, 3141290, 5026064, 6282580, 10052128, 12565160, 20104256, 25130320, 40208512, 50260640, 100521280, 201042560]

約数ペア:

[(1, 201042560), (2, 100521280), (4, 50260640), (5, 40208512), (8, 25130320), (10, 20104256), (16, 12565160), (20, 10052128), (32, 6282580), (40, 5026064), (64, 3141290), (80, 2513032), (128, 1570645), (160, 1256516), (320, 628258), (640, 314129)]