72506020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{213253}}^1$

素因数の和:213279

約数の個数: 24

約数和(自身を含む): 161220024

約数和(自身を除く): 88714004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 213253, 426506, 853012, 1066265, 2132530, 3625301, 4265060, 7250602, 14501204, 18126505, 36253010, 72506020]

約数ペア:

[(1, 72506020), (2, 36253010), (4, 18126505), (5, 14501204), (10, 7250602), (17, 4265060), (20, 3625301), (34, 2132530), (68, 1066265), (85, 853012), (170, 426506), (340, 213253)]