2099080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 4780440

約数和(自身を除く): 2681360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 541, 776, 970, 1082, 1940, 2164, 2705, 3880, 4328, 5410, 10820, 21640, 52477, 104954, 209908, 262385, 419816, 524770, 1049540, 2099080]

約数ペア:

[(1, 2099080), (2, 1049540), (4, 524770), (5, 419816), (8, 262385), (10, 209908), (20, 104954), (40, 52477), (97, 21640), (194, 10820), (388, 5410), (485, 4328), (541, 3880), (776, 2705), (970, 2164), (1082, 1940)]