155733520

素因数分解:

$2^4\times 5^1\times {\mathrm{1946669}}^1$

素因数の和:1946682

約数の個数: 20

約数和(自身を含む): 362080620

約数和(自身を除く): 206347100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1946669, 3893338, 7786676, 9733345, 15573352, 19466690, 31146704, 38933380, 77866760, 155733520]

約数ペア:

[(1, 155733520), (2, 77866760), (4, 38933380), (5, 31146704), (8, 19466690), (10, 15573352), (16, 9733345), (20, 7786676), (40, 3893338), (80, 1946669)]