71098840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17257}}^1$

素因数の和:17371

約数の個数: 32

約数和(自身を含む): 161534880

約数和(自身を除く): 90436040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 17257, 34514, 69028, 86285, 138056, 172570, 345140, 690280, 1777471, 3554942, 7109884, 8887355, 14219768, 17774710, 35549420, 71098840]

約数ペア:

[(1, 71098840), (2, 35549420), (4, 17774710), (5, 14219768), (8, 8887355), (10, 7109884), (20, 3554942), (40, 1777471), (103, 690280), (206, 345140), (412, 172570), (515, 138056), (824, 86285), (1030, 69028), (2060, 34514), (4120, 17257)]