130629440

素因数分解:

$2^6\times 5^1\times {\mathrm{408217}}^1$

素因数の和:408234

約数の個数: 28

約数和(自身を含む): 311062116

約数和(自身を除く): 180432676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 408217, 816434, 1632868, 2041085, 3265736, 4082170, 6531472, 8164340, 13062944, 16328680, 26125888, 32657360, 65314720, 130629440]

約数ペア:

[(1, 130629440), (2, 65314720), (4, 32657360), (5, 26125888), (8, 16328680), (10, 13062944), (16, 8164340), (20, 6531472), (32, 4082170), (40, 3265736), (64, 2041085), (80, 1632868), (160, 816434), (320, 408217)]