80694160

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2593}}^1$

素因数の和:2995

約数の個数: 40

約数和(自身を含む): 188168760

約数和(自身を除く): 107474600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 2593, 3112, 3890, 5186, 6224, 7780, 10372, 12965, 15560, 20744, 25930, 31120, 41488, 51860, 103720, 207440, 1008677, 2017354, 4034708, 5043385, 8069416, 10086770, 16138832, 20173540, 40347080, 80694160]

約数ペア:

[(1, 80694160), (2, 40347080), (4, 20173540), (5, 16138832), (8, 10086770), (10, 8069416), (16, 5043385), (20, 4034708), (40, 2017354), (80, 1008677), (389, 207440), (778, 103720), (1556, 51860), (1945, 41488), (2593, 31120), (3112, 25930), (3890, 20744), (5186, 15560), (6224, 12965), (7780, 10372)]