55471720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32251}}^1$

素因数の和:32305

約数の個数: 32

約数和(自身を含む): 127717920

約数和(自身を除く): 72246200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32251, 64502, 129004, 161255, 258008, 322510, 645020, 1290040, 1386793, 2773586, 5547172, 6933965, 11094344, 13867930, 27735860, 55471720]

約数ペア:

[(1, 55471720), (2, 27735860), (4, 13867930), (5, 11094344), (8, 6933965), (10, 5547172), (20, 2773586), (40, 1386793), (43, 1290040), (86, 645020), (172, 322510), (215, 258008), (344, 161255), (430, 129004), (860, 64502), (1720, 32251)]