155080840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{35569}}^1$

素因数の和:35689

約数の個数: 32

約数和(自身を含む): 352143000

約数和(自身を除く): 197062160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 35569, 71138, 142276, 177845, 284552, 355690, 711380, 1422760, 3877021, 7754042, 15508084, 19385105, 31016168, 38770210, 77540420, 155080840]

約数ペア:

[(1, 155080840), (2, 77540420), (4, 38770210), (5, 31016168), (8, 19385105), (10, 15508084), (20, 7754042), (40, 3877021), (109, 1422760), (218, 711380), (436, 355690), (545, 284552), (872, 177845), (1090, 142276), (2180, 71138), (4360, 35569)]