80900010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{898889}}^1$

素因数の和:898902

約数の個数: 24

約数和(自身を含む): 210340260

約数和(自身を除く): 129440250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 898889, 1797778, 2696667, 4494445, 5393334, 8090001, 8988890, 13483335, 16180002, 26966670, 40450005, 80900010]

約数ペア:

[(1, 80900010), (2, 40450005), (3, 26966670), (5, 16180002), (6, 13483335), (9, 8988890), (10, 8090001), (15, 5393334), (18, 4494445), (30, 2696667), (45, 1797778), (90, 898889)]