156973120

素因数分解:

$2^6\times 5^1\times {\mathrm{490541}}^1$

素因数の和:490558

約数の個数: 28

約数和(自身を含む): 373793004

約数和(自身を除く): 216819884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490541, 981082, 1962164, 2452705, 3924328, 4905410, 7848656, 9810820, 15697312, 19621640, 31394624, 39243280, 78486560, 156973120]

約数ペア:

[(1, 156973120), (2, 78486560), (4, 39243280), (5, 31394624), (8, 19621640), (10, 15697312), (16, 9810820), (20, 7848656), (32, 4905410), (40, 3924328), (64, 2452705), (80, 1962164), (160, 981082), (320, 490541)]