158812180

素因数分解:

$2^2\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{4409}}^1$

素因数の和:6219

約数の個数: 24

約数和(自身を含む): 333766440

約数和(自身を除く): 174954260

約数列:

[1, 2, 4, 5, 10, 20, 1801, 3602, 4409, 7204, 8818, 9005, 17636, 18010, 22045, 36020, 44090, 88180, 7940609, 15881218, 31762436, 39703045, 79406090, 158812180]

約数ペア:

[(1, 158812180), (2, 79406090), (4, 39703045), (5, 31762436), (10, 15881218), (20, 7940609), (1801, 88180), (3602, 44090), (4409, 36020), (7204, 22045), (8818, 18010), (9005, 17636)]