77889320

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2851}}^1$

素因数の和:3545

約数の個数: 32

約数和(自身を含む): 175569120

約数和(自身を除く): 97679800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 2851, 3415, 5464, 5702, 6830, 11404, 13660, 14255, 22808, 27320, 28510, 57020, 114040, 1947233, 3894466, 7788932, 9736165, 15577864, 19472330, 38944660, 77889320]

約数ペア:

[(1, 77889320), (2, 38944660), (4, 19472330), (5, 15577864), (8, 9736165), (10, 7788932), (20, 3894466), (40, 1947233), (683, 114040), (1366, 57020), (2732, 28510), (2851, 27320), (3415, 22808), (5464, 14255), (5702, 13660), (6830, 11404)]