156985194020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{31271951}}^1$

素因数の和:31272211

約数の個数: 24

約数和(自身を含む): 330982339968

約数和(自身を除く): 173997145948

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 31271951, 62543902, 125087804, 156359755, 312719510, 625439020, 7849259701, 15698519402, 31397038804, 39246298505, 78492597010, 156985194020]

約数ペア:

[(1, 156985194020), (2, 78492597010), (4, 39246298505), (5, 31397038804), (10, 15698519402), (20, 7849259701), (251, 625439020), (502, 312719510), (1004, 156359755), (1255, 125087804), (2510, 62543902), (5020, 31271951)]