291966204680

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{5525477}}^1$

素因数の和:5526809

約数の個数: 32

約数和(自身を含む): 657421372440

約数和(自身を除く): 365455167760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 2642, 5284, 6605, 10568, 13210, 26420, 52840, 5525477, 11050954, 22101908, 27627385, 44203816, 55254770, 110509540, 221019080, 7299155117, 14598310234, 29196620468, 36495775585, 58393240936, 72991551170, 145983102340, 291966204680]

約数ペア:

[(1, 291966204680), (2, 145983102340), (4, 72991551170), (5, 58393240936), (8, 36495775585), (10, 29196620468), (20, 14598310234), (40, 7299155117), (1321, 221019080), (2642, 110509540), (5284, 55254770), (6605, 44203816), (10568, 27627385), (13210, 22101908), (26420, 11050954), (52840, 5525477)]