2619080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1597}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 6040440

約数和(自身を除く): 3421360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1597, 1640, 3194, 6388, 7985, 12776, 15970, 31940, 63880, 65477, 130954, 261908, 327385, 523816, 654770, 1309540, 2619080]

約数ペア:

[(1, 2619080), (2, 1309540), (4, 654770), (5, 523816), (8, 327385), (10, 261908), (20, 130954), (40, 65477), (41, 63880), (82, 31940), (164, 15970), (205, 12776), (328, 7985), (410, 6388), (820, 3194), (1597, 1640)]