117579320

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{7187}}^1$

素因数の和:7607

約数の個数: 32

約数和(自身を含む): 265237200

約数和(自身を除く): 147657880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 7187, 8180, 14374, 16360, 28748, 35935, 57496, 71870, 143740, 287480, 2939483, 5878966, 11757932, 14697415, 23515864, 29394830, 58789660, 117579320]

約数ペア:

[(1, 117579320), (2, 58789660), (4, 29394830), (5, 23515864), (8, 14697415), (10, 11757932), (20, 5878966), (40, 2939483), (409, 287480), (818, 143740), (1636, 71870), (2045, 57496), (3272, 35935), (4090, 28748), (7187, 16360), (8180, 14374)]