996989680

素因数分解:

$2^4\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{5657}}^1$

素因数の和:7873

約数の個数: 40

約数和(自身を含む): 2319463152

約数和(自身を除く): 1322473472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2203, 4406, 5657, 8812, 11015, 11314, 17624, 22030, 22628, 28285, 35248, 44060, 45256, 56570, 88120, 90512, 113140, 176240, 226280, 452560, 12462371, 24924742, 49849484, 62311855, 99698968, 124623710, 199397936, 249247420, 498494840, 996989680]

約数ペア:

[(1, 996989680), (2, 498494840), (4, 249247420), (5, 199397936), (8, 124623710), (10, 99698968), (16, 62311855), (20, 49849484), (40, 24924742), (80, 12462371), (2203, 452560), (4406, 226280), (5657, 176240), (8812, 113140), (11015, 90512), (11314, 88120), (17624, 56570), (22030, 45256), (22628, 44060), (28285, 35248)]