442139080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269597}}^1$

素因数の和:269649

約数の個数: 32

約数和(自身を含む): 1019080440

約数和(自身を除く): 576941360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 269597, 539194, 1078388, 1347985, 2156776, 2695970, 5391940, 10783880, 11053477, 22106954, 44213908, 55267385, 88427816, 110534770, 221069540, 442139080]

約数ペア:

[(1, 442139080), (2, 221069540), (4, 110534770), (5, 88427816), (8, 55267385), (10, 44213908), (20, 22106954), (40, 11053477), (41, 10783880), (82, 5391940), (164, 2695970), (205, 2156776), (328, 1347985), (410, 1078388), (820, 539194), (1640, 269597)]