87400640

素因数分解:

$2^6\times 5^1\times {\mathrm{273127}}^1$

素因数の和:273144

約数の個数: 28

約数和(自身を含む): 208123536

約数和(自身を除く): 120722896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 273127, 546254, 1092508, 1365635, 2185016, 2731270, 4370032, 5462540, 8740064, 10925080, 17480128, 21850160, 43700320, 87400640]

約数ペア:

[(1, 87400640), (2, 43700320), (4, 21850160), (5, 17480128), (8, 10925080), (10, 8740064), (16, 5462540), (20, 4370032), (32, 2731270), (40, 2185016), (64, 1365635), (80, 1092508), (160, 546254), (320, 273127)]