80929040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10429}}^1$

素因数の和:10539

約数の個数: 40

約数和(自身を含む): 190118040

約数和(自身を除く): 109189000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 10429, 20858, 41716, 52145, 83432, 104290, 166864, 208580, 417160, 834320, 1011613, 2023226, 4046452, 5058065, 8092904, 10116130, 16185808, 20232260, 40464520, 80929040]

約数ペア:

[(1, 80929040), (2, 40464520), (4, 20232260), (5, 16185808), (8, 10116130), (10, 8092904), (16, 5058065), (20, 4046452), (40, 2023226), (80, 1011613), (97, 834320), (194, 417160), (388, 208580), (485, 166864), (776, 104290), (970, 83432), (1552, 52145), (1940, 41716), (3880, 20858), (7760, 10429)]