80549090

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{78203}}^1$

素因数の和:78313

約数の個数: 16

約数和(自身を含む): 146397888

約数和(自身を除く): 65848798

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 78203, 156406, 391015, 782030, 8054909, 16109818, 40274545, 80549090]

約数ペア:

[(1, 80549090), (2, 40274545), (5, 16109818), (10, 8054909), (103, 782030), (206, 391015), (515, 156406), (1030, 78203)]