77105720

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6959}}^1$

素因数の和:7247

約数の個数: 32

約数和(自身を含む): 174139200

約数和(自身を除く): 97033480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 6959, 11080, 13918, 27836, 34795, 55672, 69590, 139180, 278360, 1927643, 3855286, 7710572, 9638215, 15421144, 19276430, 38552860, 77105720]

約数ペア:

[(1, 77105720), (2, 38552860), (4, 19276430), (5, 15421144), (8, 9638215), (10, 7710572), (20, 3855286), (40, 1927643), (277, 278360), (554, 139180), (1108, 69590), (1385, 55672), (2216, 34795), (2770, 27836), (5540, 13918), (6959, 11080)]