142000840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{32569}}^1$

素因数の和:32689

約数の個数: 32

約数和(自身を含む): 322443000

約数和(自身を除く): 180442160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 32569, 65138, 130276, 162845, 260552, 325690, 651380, 1302760, 3550021, 7100042, 14200084, 17750105, 28400168, 35500210, 71000420, 142000840]

約数ペア:

[(1, 142000840), (2, 71000420), (4, 35500210), (5, 28400168), (8, 17750105), (10, 14200084), (20, 7100042), (40, 3550021), (109, 1302760), (218, 651380), (436, 325690), (545, 260552), (872, 162845), (1090, 130276), (2180, 65138), (4360, 32569)]