90431540

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{12809}}^1$

素因数の和:13171

約数の個数: 24

約数和(自身を含む): 190459080

約数和(自身を除く): 100027540

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 12809, 25618, 51236, 64045, 128090, 256180, 4521577, 9043154, 18086308, 22607885, 45215770, 90431540]

約数ペア:

[(1, 90431540), (2, 45215770), (4, 22607885), (5, 18086308), (10, 9043154), (20, 4521577), (353, 256180), (706, 128090), (1412, 64045), (1765, 51236), (3530, 25618), (7060, 12809)]