158632720

素因数分解:

$2^4\times 5^1\times {\mathrm{1982909}}^1$

素因数の和:1982922

約数の個数: 20

約数和(自身を含む): 368821260

約数和(自身を除く): 210188540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1982909, 3965818, 7931636, 9914545, 15863272, 19829090, 31726544, 39658180, 79316360, 158632720]

約数ペア:

[(1, 158632720), (2, 79316360), (4, 39658180), (5, 31726544), (8, 19829090), (10, 15863272), (16, 9914545), (20, 7931636), (40, 3965818), (80, 1982909)]