38908360

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18353}}^1$

素因数の和:18417

約数の個数: 32

約数和(自身を含む): 89200440

約数和(自身を除く): 50292080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 18353, 36706, 73412, 91765, 146824, 183530, 367060, 734120, 972709, 1945418, 3890836, 4863545, 7781672, 9727090, 19454180, 38908360]

約数ペア:

[(1, 38908360), (2, 19454180), (4, 9727090), (5, 7781672), (8, 4863545), (10, 3890836), (20, 1945418), (40, 972709), (53, 734120), (106, 367060), (212, 183530), (265, 146824), (424, 91765), (530, 73412), (1060, 36706), (2120, 18353)]