71784640

素因数分解:

$2^6\times 5^1\times {\mathrm{224327}}^1$

素因数の和:224344

約数の個数: 28

約数和(自身を含む): 170937936

約数和(自身を除く): 99153296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 224327, 448654, 897308, 1121635, 1794616, 2243270, 3589232, 4486540, 7178464, 8973080, 14356928, 17946160, 35892320, 71784640]

約数ペア:

[(1, 71784640), (2, 35892320), (4, 17946160), (5, 14356928), (8, 8973080), (10, 7178464), (16, 4486540), (20, 3589232), (32, 2243270), (40, 1794616), (64, 1121635), (80, 897308), (160, 448654), (320, 224327)]