12669640

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{827}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 15946040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 827, 1532, 1654, 1915, 3064, 3308, 3830, 4135, 6616, 7660, 8270, 15320, 16540, 33080, 316741, 633482, 1266964, 1583705, 2533928, 3167410, 6334820, 12669640]

約数ペア:

[(1, 12669640), (2, 6334820), (4, 3167410), (5, 2533928), (8, 1583705), (10, 1266964), (20, 633482), (40, 316741), (383, 33080), (766, 16540), (827, 15320), (1532, 8270), (1654, 7660), (1915, 6616), (3064, 4135), (3308, 3830)]