827657680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{356749}}^1$

素因数の和:356791

約数の個数: 40

約数和(自身を含む): 1990665000

約数和(自身を除く): 1163007320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 356749, 713498, 1426996, 1783745, 2853992, 3567490, 5707984, 7134980, 10345721, 14269960, 20691442, 28539920, 41382884, 51728605, 82765768, 103457210, 165531536, 206914420, 413828840, 827657680]

約数ペア:

[(1, 827657680), (2, 413828840), (4, 206914420), (5, 165531536), (8, 103457210), (10, 82765768), (16, 51728605), (20, 41382884), (29, 28539920), (40, 20691442), (58, 14269960), (80, 10345721), (116, 7134980), (145, 5707984), (232, 3567490), (290, 2853992), (464, 1783745), (580, 1426996), (1160, 713498), (2320, 356749)]