156955083440

素因数分解:

$2^4\times 5^1\times {\mathrm{1961938543}}^1$

素因数の和:1961938556

約数の個数: 20

約数和(自身を含む): 364920569184

約数和(自身を除く): 207965485744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961938543, 3923877086, 7847754172, 9809692715, 15695508344, 19619385430, 31391016688, 39238770860, 78477541720, 156955083440]

約数ペア:

[(1, 156955083440), (2, 78477541720), (4, 39238770860), (5, 31391016688), (8, 19619385430), (10, 15695508344), (16, 9809692715), (20, 7847754172), (40, 3923877086), (80, 1961938543)]